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Finding the Fourth Proportional to 161,602.70, 223,009.56 and 89,982.73

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Solution

The fourth proportional to 161,602.70, 223,009.56 and 89,982.73 is: 124,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,602.70 : 223,009.56 = 89,982.73 : x
  2. Step 2: Convert to fraction form
    161,602.70/223,009.56 = 89,982.73/x
  3. Step 3: Cross multiply
    161,602.70x = 223,009.56 × 89,982.73
  4. Step 4: Simplify right side
    161,602.70x = 20,067,009,024.90
  5. Step 5: Solve for x
    x = 20,067,009,024.90/161,602.70
  6. Step 6: Final answer
    x = 124,174.96

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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.