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Finding the Fourth Proportional to 99,663,896.55, 149,495,844.83 and 99,663,896.55

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Solution

The fourth proportional to 99,663,896.55, 149,495,844.83 and 99,663,896.55 is: 149,495,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663,896.55 : 149,495,844.83 = 99,663,896.55 : x
  2. Step 2: Convert to fraction form
    99,663,896.55/149,495,844.83 = 99,663,896.55/x
  3. Step 3: Cross multiply
    99,663,896.55x = 149,495,844.83 × 99,663,896.55
  4. Step 4: Simplify right side
    99,663,896.55x = 14,899,338,413,293,652
  5. Step 5: Solve for x
    x = 14,899,338,413,293,652/99,663,896.55
  6. Step 6: Final answer
    x = 149,495,844.83

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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.