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Finding the Fourth Proportional to 124,432.98, 171,718.29 and 67,845.30

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Solution

The fourth proportional to 124,432.98, 171,718.29 and 67,845.30 is: 93,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,432.98 : 171,718.29 = 67,845.30 : x
  2. Step 2: Convert to fraction form
    124,432.98/171,718.29 = 67,845.30/x
  3. Step 3: Cross multiply
    124,432.98x = 171,718.29 × 67,845.30
  4. Step 4: Simplify right side
    124,432.98x = 11,650,278,900.54
  5. Step 5: Solve for x
    x = 11,650,278,900.54/124,432.98
  6. Step 6: Final answer
    x = 93,626.94

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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.