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Finding the Fourth Proportional to 119,337.20, 164,689.56 and 65,626.30

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Solution

The fourth proportional to 119,337.20, 164,689.56 and 65,626.30 is: 90,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,337.20 : 164,689.56 = 65,626.30 : x
  2. Step 2: Convert to fraction form
    119,337.20/164,689.56 = 65,626.30/x
  3. Step 3: Cross multiply
    119,337.20x = 164,689.56 × 65,626.30
  4. Step 4: Simplify right side
    119,337.20x = 10,807,966,471.43
  5. Step 5: Solve for x
    x = 10,807,966,471.43/119,337.20
  6. Step 6: Final answer
    x = 90,566.62

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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.