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Finding the Fourth Proportional to 160,487.62, 221,470.20 and 88,866.10

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Solution

The fourth proportional to 160,487.62, 221,470.20 and 88,866.10 is: 122,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,487.62 : 221,470.20 = 88,866.10 : x
  2. Step 2: Convert to fraction form
    160,487.62/221,470.20 = 88,866.10/x
  3. Step 3: Cross multiply
    160,487.62x = 221,470.20 × 88,866.10
  4. Step 4: Simplify right side
    160,487.62x = 19,681,192,940.22
  5. Step 5: Solve for x
    x = 19,681,192,940.22/160,487.62
  6. Step 6: Final answer
    x = 122,633.71

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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.