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Finding the Fourth Proportional to 59,815,207.20, 89,722,810.80 and 19,429,773.60

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Solution

The fourth proportional to 59,815,207.20, 89,722,810.80 and 19,429,773.60 is: 29,144,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,815,207.20 : 89,722,810.80 = 19,429,773.60 : x
  2. Step 2: Convert to fraction form
    59,815,207.20/89,722,810.80 = 19,429,773.60/x
  3. Step 3: Cross multiply
    59,815,207.20x = 89,722,810.80 × 19,429,773.60
  4. Step 4: Simplify right side
    59,815,207.20x = 1,743,293,900,599,635
  5. Step 5: Solve for x
    x = 1,743,293,900,599,635/59,815,207.20
  6. Step 6: Final answer
    x = 29,144,660.40

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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.