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Finding the Fourth Proportional to 123,937.52, 171,033.78 and 67,348.76

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Solution

The fourth proportional to 123,937.52, 171,033.78 and 67,348.76 is: 92,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,937.52 : 171,033.78 = 67,348.76 : x
  2. Step 2: Convert to fraction form
    123,937.52/171,033.78 = 67,348.76/x
  3. Step 3: Cross multiply
    123,937.52x = 171,033.78 × 67,348.76
  4. Step 4: Simplify right side
    123,937.52x = 11,518,913,001.11
  5. Step 5: Solve for x
    x = 11,518,913,001.11/123,937.52
  6. Step 6: Final answer
    x = 92,941.29

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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.