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Finding the Fourth Proportional to 59,389,819.20, 89,084,728.80 and 52,209,460.80

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Solution

The fourth proportional to 59,389,819.20, 89,084,728.80 and 52,209,460.80 is: 78,314,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,389,819.20 : 89,084,728.80 = 52,209,460.80 : x
  2. Step 2: Convert to fraction form
    59,389,819.20/89,084,728.80 = 52,209,460.80/x
  3. Step 3: Cross multiply
    59,389,819.20x = 89,084,728.80 × 52,209,460.80
  4. Step 4: Simplify right side
    59,389,819.20x = 4,651,065,656,162,231
  5. Step 5: Solve for x
    x = 4,651,065,656,162,231/59,389,819.20
  6. Step 6: Final answer
    x = 78,314,191.20

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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.