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Finding the Fourth Proportional to 67,252.40, 100,732.80 and 59,865.20

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Solution

The fourth proportional to 67,252.40, 100,732.80 and 59,865.20 is: 89,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,252.40 : 100,732.80 = 59,865.20 : x
  2. Step 2: Convert to fraction form
    67,252.40/100,732.80 = 59,865.20/x
  3. Step 3: Cross multiply
    67,252.40x = 100,732.80 × 59,865.20
  4. Step 4: Simplify right side
    67,252.40x = 6,030,389,218.56
  5. Step 5: Solve for x
    x = 6,030,389,218.56/67,252.40
  6. Step 6: Final answer
    x = 89,668.02

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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.