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Finding the Fourth Proportional to 162,065.49, 223,672.92 and 90,450.13

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Solution

The fourth proportional to 162,065.49, 223,672.92 and 90,450.13 is: 124,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,065.49 : 223,672.92 = 90,450.13 : x
  2. Step 2: Convert to fraction form
    162,065.49/223,672.92 = 90,450.13/x
  3. Step 3: Cross multiply
    162,065.49x = 223,672.92 × 90,450.13
  4. Step 4: Simplify right side
    162,065.49x = 20,231,244,358.42
  5. Step 5: Solve for x
    x = 20,231,244,358.42/162,065.49
  6. Step 6: Final answer
    x = 124,833.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.