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Finding the Fourth Proportional to 102,324.88, 141,170.88 and 62,009.56

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Solution

The fourth proportional to 102,324.88, 141,170.88 and 62,009.56 is: 85,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,324.88 : 141,170.88 = 62,009.56 : x
  2. Step 2: Convert to fraction form
    102,324.88/141,170.88 = 62,009.56/x
  3. Step 3: Cross multiply
    102,324.88x = 141,170.88 × 62,009.56
  4. Step 4: Simplify right side
    102,324.88x = 8,753,944,153.61
  5. Step 5: Solve for x
    x = 8,753,944,153.61/102,324.88
  6. Step 6: Final answer
    x = 85,550.50

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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.