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Finding the Fourth Proportional to 160,794.66, 221,882.08 and 89,174.46

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Solution

The fourth proportional to 160,794.66, 221,882.08 and 89,174.46 is: 123,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,794.66 : 221,882.08 = 89,174.46 : x
  2. Step 2: Convert to fraction form
    160,794.66/221,882.08 = 89,174.46/x
  3. Step 3: Cross multiply
    160,794.66x = 221,882.08 × 89,174.46
  4. Step 4: Simplify right side
    160,794.66x = 19,786,214,667.68
  5. Step 5: Solve for x
    x = 19,786,214,667.68/160,794.66
  6. Step 6: Final answer
    x = 123,052.69

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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.