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Finding the Fourth Proportional to 67,693.60, 101,540.40 and 67,304.80

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Solution

The fourth proportional to 67,693.60, 101,540.40 and 67,304.80 is: 100,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,693.60 : 101,540.40 = 67,304.80 : x
  2. Step 2: Convert to fraction form
    67,693.60/101,540.40 = 67,304.80/x
  3. Step 3: Cross multiply
    67,693.60x = 101,540.40 × 67,304.80
  4. Step 4: Simplify right side
    67,693.60x = 6,834,156,313.92
  5. Step 5: Solve for x
    x = 6,834,156,313.92/67,693.60
  6. Step 6: Final answer
    x = 100,957.20

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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.