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Finding the Fourth Proportional to 77,645.92, 107,150.78 and 44,111.92

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Solution

The fourth proportional to 77,645.92, 107,150.78 and 44,111.92 is: 60,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,645.92 : 107,150.78 = 44,111.92 : x
  2. Step 2: Convert to fraction form
    77,645.92/107,150.78 = 44,111.92/x
  3. Step 3: Cross multiply
    77,645.92x = 107,150.78 × 44,111.92
  4. Step 4: Simplify right side
    77,645.92x = 4,726,626,635.30
  5. Step 5: Solve for x
    x = 4,726,626,635.30/77,645.92
  6. Step 6: Final answer
    x = 60,874.11

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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.