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Finding the Fourth Proportional to 259,648,892.01, 358,339,508.15 and 143,755,388.01

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Solution

The fourth proportional to 259,648,892.01, 358,339,508.15 and 143,755,388.01 is: 198,395,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,648,892.01 : 358,339,508.15 = 143,755,388.01 : x
  2. Step 2: Convert to fraction form
    259,648,892.01/358,339,508.15 = 143,755,388.01/x
  3. Step 3: Cross multiply
    259,648,892.01x = 358,339,508.15 × 143,755,388.01
  4. Step 4: Simplify right side
    259,648,892.01x = 51,513,235,032,697,024
  5. Step 5: Solve for x
    x = 51,513,235,032,697,024/259,648,892.01
  6. Step 6: Final answer
    x = 198,395,743.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.