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Finding the Fourth Proportional to 123,937.48, 171,033.96 and 67,348.72

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Solution

The fourth proportional to 123,937.48, 171,033.96 and 67,348.72 is: 92,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,937.48 : 171,033.96 = 67,348.72 : x
  2. Step 2: Convert to fraction form
    123,937.48/171,033.96 = 67,348.72/x
  3. Step 3: Cross multiply
    123,937.48x = 171,033.96 × 67,348.72
  4. Step 4: Simplify right side
    123,937.48x = 11,518,918,282.53
  5. Step 5: Solve for x
    x = 11,518,918,282.53/123,937.48
  6. Step 6: Final answer
    x = 92,941.36

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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.