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Finding the Fourth Proportional to 60,191.80, 90,426.12 and 42,463.24

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Solution

The fourth proportional to 60,191.80, 90,426.12 and 42,463.24 is: 63,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,191.80 : 90,426.12 = 42,463.24 : x
  2. Step 2: Convert to fraction form
    60,191.80/90,426.12 = 42,463.24/x
  3. Step 3: Cross multiply
    60,191.80x = 90,426.12 × 42,463.24
  4. Step 4: Simplify right side
    60,191.80x = 3,839,786,035.83
  5. Step 5: Solve for x
    x = 3,839,786,035.83/60,191.80
  6. Step 6: Final answer
    x = 63,792.51

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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.