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Finding the Fourth Proportional to 181,866,689.91, 250,976,132.75 and 98,234,820.09

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Solution

The fourth proportional to 181,866,689.91, 250,976,132.75 and 98,234,820.09 is: 135,564,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,866,689.91 : 250,976,132.75 = 98,234,820.09 : x
  2. Step 2: Convert to fraction form
    181,866,689.91/250,976,132.75 = 98,234,820.09/x
  3. Step 3: Cross multiply
    181,866,689.91x = 250,976,132.75 × 98,234,820.09
  4. Step 4: Simplify right side
    181,866,689.91x = 24,654,595,247,825,796
  5. Step 5: Solve for x
    x = 24,654,595,247,825,796/181,866,689.91
  6. Step 6: Final answer
    x = 135,564,106.10

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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.