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Finding the Fourth Proportional to 124,182.72, 171,366.84 and 67,593.96

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Solution

The fourth proportional to 124,182.72, 171,366.84 and 67,593.96 is: 93,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,182.72 : 171,366.84 = 67,593.96 : x
  2. Step 2: Convert to fraction form
    124,182.72/171,366.84 = 67,593.96/x
  3. Step 3: Cross multiply
    124,182.72x = 171,366.84 × 67,593.96
  4. Step 4: Simplify right side
    124,182.72x = 11,583,363,328.29
  5. Step 5: Solve for x
    x = 11,583,363,328.29/124,182.72
  6. Step 6: Final answer
    x = 93,276.77

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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.