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Finding the Fourth Proportional to 59,397,921.60, 89,026,023.60 and 53,304,064.80

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Solution

The fourth proportional to 59,397,921.60, 89,026,023.60 and 53,304,064.80 is: 79,892,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,397,921.60 : 89,026,023.60 = 53,304,064.80 : x
  2. Step 2: Convert to fraction form
    59,397,921.60/89,026,023.60 = 53,304,064.80/x
  3. Step 3: Cross multiply
    59,397,921.60x = 89,026,023.60 × 53,304,064.80
  4. Step 4: Simplify right side
    59,397,921.60x = 4,745,448,930,860,729
  5. Step 5: Solve for x
    x = 4,745,448,930,860,729/59,397,921.60
  6. Step 6: Final answer
    x = 79,892,508.07

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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.