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Finding the Fourth Proportional to 220,057.52, 303,686.61 and 124,562.17

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Solution

The fourth proportional to 220,057.52, 303,686.61 and 124,562.17 is: 171,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,057.52 : 303,686.61 = 124,562.17 : x
  2. Step 2: Convert to fraction form
    220,057.52/303,686.61 = 124,562.17/x
  3. Step 3: Cross multiply
    220,057.52x = 303,686.61 × 124,562.17
  4. Step 4: Simplify right side
    220,057.52x = 37,827,861,623.11
  5. Step 5: Solve for x
    x = 37,827,861,623.11/220,057.52
  6. Step 6: Final answer
    x = 171,899.88

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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.