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Finding the Fourth Proportional to 244,458,001.20, 366,687,001.80 and 80,721,029.10

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Solution

The fourth proportional to 244,458,001.20, 366,687,001.80 and 80,721,029.10 is: 121,081,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,458,001.20 : 366,687,001.80 = 80,721,029.10 : x
  2. Step 2: Convert to fraction form
    244,458,001.20/366,687,001.80 = 80,721,029.10/x
  3. Step 3: Cross multiply
    244,458,001.20x = 366,687,001.80 × 80,721,029.10
  4. Step 4: Simplify right side
    244,458,001.20x = 29,599,352,142,889,552
  5. Step 5: Solve for x
    x = 29,599,352,142,889,552/244,458,001.20
  6. Step 6: Final answer
    x = 121,081,543.65

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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.