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Finding the Fourth Proportional to 145,198.71, 217,882.13 and 60,951.51

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Solution

The fourth proportional to 145,198.71, 217,882.13 and 60,951.51 is: 91,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,198.71 : 217,882.13 = 60,951.51 : x
  2. Step 2: Convert to fraction form
    145,198.71/217,882.13 = 60,951.51/x
  3. Step 3: Cross multiply
    145,198.71x = 217,882.13 × 60,951.51
  4. Step 4: Simplify right side
    145,198.71x = 13,280,244,520.76
  5. Step 5: Solve for x
    x = 13,280,244,520.76/145,198.71
  6. Step 6: Final answer
    x = 91,462.55

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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.