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Finding the Fourth Proportional to 160,693.74, 221,753.84 and 89,073.14

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Solution

The fourth proportional to 160,693.74, 221,753.84 and 89,073.14 is: 122,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,693.74 : 221,753.84 = 89,073.14 : x
  2. Step 2: Convert to fraction form
    160,693.74/221,753.84 = 89,073.14/x
  3. Step 3: Cross multiply
    160,693.74x = 221,753.84 × 89,073.14
  4. Step 4: Simplify right side
    160,693.74x = 19,752,309,281.72
  5. Step 5: Solve for x
    x = 19,752,309,281.72/160,693.74
  6. Step 6: Final answer
    x = 122,918.97

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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.