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Finding the Fourth Proportional to 159,753.28, 220,463.52 and 98,512.96

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Solution

The fourth proportional to 159,753.28, 220,463.52 and 98,512.96 is: 135,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.28 : 220,463.52 = 98,512.96 : x
  2. Step 2: Convert to fraction form
    159,753.28/220,463.52 = 98,512.96/x
  3. Step 3: Cross multiply
    159,753.28x = 220,463.52 × 98,512.96
  4. Step 4: Simplify right side
    159,753.28x = 21,718,513,927.22
  5. Step 5: Solve for x
    x = 21,718,513,927.22/159,753.28
  6. Step 6: Final answer
    x = 135,950.35

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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.