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Finding the Fourth Proportional to 162,221.73, 223,843.87 and 90,592.62

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Solution

The fourth proportional to 162,221.73, 223,843.87 and 90,592.62 is: 125,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,221.73 : 223,843.87 = 90,592.62 : x
  2. Step 2: Convert to fraction form
    162,221.73/223,843.87 = 90,592.62/x
  3. Step 3: Cross multiply
    162,221.73x = 223,843.87 × 90,592.62
  4. Step 4: Simplify right side
    162,221.73x = 20,278,602,654.24
  5. Step 5: Solve for x
    x = 20,278,602,654.24/162,221.73
  6. Step 6: Final answer
    x = 125,005.46

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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.