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Finding the Fourth Proportional to 60,061.92, 90,092.70 and 42,219.12

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Solution

The fourth proportional to 60,061.92, 90,092.70 and 42,219.12 is: 63,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,061.92 : 90,092.70 = 42,219.12 : x
  2. Step 2: Convert to fraction form
    60,061.92/90,092.70 = 42,219.12/x
  3. Step 3: Cross multiply
    60,061.92x = 90,092.70 × 42,219.12
  4. Step 4: Simplify right side
    60,061.92x = 3,803,634,512.42
  5. Step 5: Solve for x
    x = 3,803,634,512.42/60,061.92
  6. Step 6: Final answer
    x = 63,328.55

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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.