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Finding the Fourth Proportional to 60,060.92, 90,091.20 and 42,218.12

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Solution

The fourth proportional to 60,060.92, 90,091.20 and 42,218.12 is: 63,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,060.92 : 90,091.20 = 42,218.12 : x
  2. Step 2: Convert to fraction form
    60,060.92/90,091.20 = 42,218.12/x
  3. Step 3: Cross multiply
    60,060.92x = 90,091.20 × 42,218.12
  4. Step 4: Simplify right side
    60,060.92x = 3,803,481,092.54
  5. Step 5: Solve for x
    x = 3,803,481,092.54/60,060.92
  6. Step 6: Final answer
    x = 63,327.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.