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Finding the Fourth Proportional to 71,151.60, 106,597.80 and 57,932.40

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Solution

The fourth proportional to 71,151.60, 106,597.80 and 57,932.40 is: 86,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,151.60 : 106,597.80 = 57,932.40 : x
  2. Step 2: Convert to fraction form
    71,151.60/106,597.80 = 57,932.40/x
  3. Step 3: Cross multiply
    71,151.60x = 106,597.80 × 57,932.40
  4. Step 4: Simplify right side
    71,151.60x = 6,175,466,388.72
  5. Step 5: Solve for x
    x = 6,175,466,388.72/71,151.60
  6. Step 6: Final answer
    x = 86,793.08

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1.5x scale

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.