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Finding the Fourth Proportional to 124,292.71, 171,523.06 and 67,704.09

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Solution

The fourth proportional to 124,292.71, 171,523.06 and 67,704.09 is: 93,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,292.71 : 171,523.06 = 67,704.09 : x
  2. Step 2: Convert to fraction form
    124,292.71/171,523.06 = 67,704.09/x
  3. Step 3: Cross multiply
    124,292.71x = 171,523.06 × 67,704.09
  4. Step 4: Simplify right side
    124,292.71x = 11,612,812,691.32
  5. Step 5: Solve for x
    x = 11,612,812,691.32/124,292.71
  6. Step 6: Final answer
    x = 93,431.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.