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Finding the Fourth Proportional to 98,495,986.10, 147,743,979.15 and 98,495,986.10

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Solution

The fourth proportional to 98,495,986.10, 147,743,979.15 and 98,495,986.10 is: 147,743,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,495,986.10 : 147,743,979.15 = 98,495,986.10 : x
  2. Step 2: Convert to fraction form
    98,495,986.10/147,743,979.15 = 98,495,986.10/x
  3. Step 3: Cross multiply
    98,495,986.10x = 147,743,979.15 × 98,495,986.10
  4. Step 4: Simplify right side
    98,495,986.10x = 14,552,188,916,717,090
  5. Step 5: Solve for x
    x = 14,552,188,916,717,090/98,495,986.10
  6. Step 6: Final answer
    x = 147,743,979.15

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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.