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Finding the Fourth Proportional to 160,591.64, 221,610.12 and 88,972.76

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Solution

The fourth proportional to 160,591.64, 221,610.12 and 88,972.76 is: 122,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,591.64 : 221,610.12 = 88,972.76 : x
  2. Step 2: Convert to fraction form
    160,591.64/221,610.12 = 88,972.76/x
  3. Step 3: Cross multiply
    160,591.64x = 221,610.12 × 88,972.76
  4. Step 4: Simplify right side
    160,591.64x = 19,717,264,020.33
  5. Step 5: Solve for x
    x = 19,717,264,020.33/160,591.64
  6. Step 6: Final answer
    x = 122,778.89

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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.