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Finding the Fourth Proportional to 124,348.42, 171,600.28 and 67,759.80

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Solution

The fourth proportional to 124,348.42, 171,600.28 and 67,759.80 is: 93,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,348.42 : 171,600.28 = 67,759.80 : x
  2. Step 2: Convert to fraction form
    124,348.42/171,600.28 = 67,759.80/x
  3. Step 3: Cross multiply
    124,348.42x = 171,600.28 × 67,759.80
  4. Step 4: Simplify right side
    124,348.42x = 11,627,600,652.74
  5. Step 5: Solve for x
    x = 11,627,600,652.74/124,348.42
  6. Step 6: Final answer
    x = 93,508.23

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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.