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Finding the Fourth Proportional to 60,224.38, 90,169.71 and 45,388.42

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Solution

The fourth proportional to 60,224.38, 90,169.71 and 45,388.42 is: 67,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,224.38 : 90,169.71 = 45,388.42 : x
  2. Step 2: Convert to fraction form
    60,224.38/90,169.71 = 45,388.42/x
  3. Step 3: Cross multiply
    60,224.38x = 90,169.71 × 45,388.42
  4. Step 4: Simplify right side
    60,224.38x = 4,092,660,668.76
  5. Step 5: Solve for x
    x = 4,092,660,668.76/60,224.38
  6. Step 6: Final answer
    x = 67,956.88

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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.