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Finding the Fourth Proportional to 66,103.20, 99,154.80 and 24,541.92

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Solution

The fourth proportional to 66,103.20, 99,154.80 and 24,541.92 is: 36,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103.20 : 99,154.80 = 24,541.92 : x
  2. Step 2: Convert to fraction form
    66,103.20/99,154.80 = 24,541.92/x
  3. Step 3: Cross multiply
    66,103.20x = 99,154.80 × 24,541.92
  4. Step 4: Simplify right side
    66,103.20x = 2,433,449,169.22
  5. Step 5: Solve for x
    x = 2,433,449,169.22/66,103.20
  6. Step 6: Final answer
    x = 36,812.88

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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.