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Finding the Fourth Proportional to 99,663,701.30, 149,495,551.95 and 99,663,701.30

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Solution

The fourth proportional to 99,663,701.30, 149,495,551.95 and 99,663,701.30 is: 149,495,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663,701.30 : 149,495,551.95 = 99,663,701.30 : x
  2. Step 2: Convert to fraction form
    99,663,701.30/149,495,551.95 = 99,663,701.30/x
  3. Step 3: Cross multiply
    99,663,701.30x = 149,495,551.95 × 99,663,701.30
  4. Step 4: Simplify right side
    99,663,701.30x = 14,899,280,035,223,430
  5. Step 5: Solve for x
    x = 14,899,280,035,223,430/99,663,701.30
  6. Step 6: Final answer
    x = 149,495,551.95

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.