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Finding the Fourth Proportional to 73,761,605.20, 110,642,407.80 and 35,497,853.20

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Solution

The fourth proportional to 73,761,605.20, 110,642,407.80 and 35,497,853.20 is: 53,246,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,761,605.20 : 110,642,407.80 = 35,497,853.20 : x
  2. Step 2: Convert to fraction form
    73,761,605.20/110,642,407.80 = 35,497,853.20/x
  3. Step 3: Cross multiply
    73,761,605.20x = 110,642,407.80 × 35,497,853.20
  4. Step 4: Simplify right side
    73,761,605.20x = 3,927,567,949,778,935
  5. Step 5: Solve for x
    x = 3,927,567,949,778,935/73,761,605.20
  6. Step 6: Final answer
    x = 53,246,779.80

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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.