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Finding the Fourth Proportional to 83,229,647.60, 124,844,471.40 and 29,382,402.80

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Solution

The fourth proportional to 83,229,647.60, 124,844,471.40 and 29,382,402.80 is: 44,073,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,229,647.60 : 124,844,471.40 = 29,382,402.80 : x
  2. Step 2: Convert to fraction form
    83,229,647.60/124,844,471.40 = 29,382,402.80/x
  3. Step 3: Cross multiply
    83,229,647.60x = 124,844,471.40 × 29,382,402.80
  4. Step 4: Simplify right side
    83,229,647.60x = 3,668,230,546,027,880
  5. Step 5: Solve for x
    x = 3,668,230,546,027,880/83,229,647.60
  6. Step 6: Final answer
    x = 44,073,604.20

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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.