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Finding the Fourth Proportional to 124,612.38, 171,965.46 and 68,024.70

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Solution

The fourth proportional to 124,612.38, 171,965.46 and 68,024.70 is: 93,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,612.38 : 171,965.46 = 68,024.70 : x
  2. Step 2: Convert to fraction form
    124,612.38/171,965.46 = 68,024.70/x
  3. Step 3: Cross multiply
    124,612.38x = 171,965.46 × 68,024.70
  4. Step 4: Simplify right side
    124,612.38x = 11,697,898,826.86
  5. Step 5: Solve for x
    x = 11,697,898,826.86/124,612.38
  6. Step 6: Final answer
    x = 93,874.29

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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.