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Finding the Fourth Proportional to 160,694.92, 221,760.84 and 89,076.16

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Solution

The fourth proportional to 160,694.92, 221,760.84 and 89,076.16 is: 122,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,694.92 : 221,760.84 = 89,076.16 : x
  2. Step 2: Convert to fraction form
    160,694.92/221,760.84 = 89,076.16/x
  3. Step 3: Cross multiply
    160,694.92x = 221,760.84 × 89,076.16
  4. Step 4: Simplify right side
    160,694.92x = 19,753,604,065.57
  5. Step 5: Solve for x
    x = 19,753,604,065.57/160,694.92
  6. Step 6: Final answer
    x = 122,926.13

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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.