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Finding the Fourth Proportional to 60,192.66, 82,979.31 and 42,231.99

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Solution

The fourth proportional to 60,192.66, 82,979.31 and 42,231.99 is: 58,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,192.66 : 82,979.31 = 42,231.99 : x
  2. Step 2: Convert to fraction form
    60,192.66/82,979.31 = 42,231.99/x
  3. Step 3: Cross multiply
    60,192.66x = 82,979.31 × 42,231.99
  4. Step 4: Simplify right side
    60,192.66x = 3,504,381,390.13
  5. Step 5: Solve for x
    x = 3,504,381,390.13/60,192.66
  6. Step 6: Final answer
    x = 58,219.41

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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.