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Finding the Fourth Proportional to 159,885.03, 220,640.18 and 88,264.97

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Solution

The fourth proportional to 159,885.03, 220,640.18 and 88,264.97 is: 121,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,885.03 : 220,640.18 = 88,264.97 : x
  2. Step 2: Convert to fraction form
    159,885.03/220,640.18 = 88,264.97/x
  3. Step 3: Cross multiply
    159,885.03x = 220,640.18 × 88,264.97
  4. Step 4: Simplify right side
    159,885.03x = 19,474,797,323.97
  5. Step 5: Solve for x
    x = 19,474,797,323.97/159,885.03
  6. Step 6: Final answer
    x = 121,805.01

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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.