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Finding the Fourth Proportional to 83,581.46, 115,342.03 and 45,341.03

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Solution

The fourth proportional to 83,581.46, 115,342.03 and 45,341.03 is: 62,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,581.46 : 115,342.03 = 45,341.03 : x
  2. Step 2: Convert to fraction form
    83,581.46/115,342.03 = 45,341.03/x
  3. Step 3: Cross multiply
    83,581.46x = 115,342.03 × 45,341.03
  4. Step 4: Simplify right side
    83,581.46x = 5,229,726,787.52
  5. Step 5: Solve for x
    x = 5,229,726,787.52/83,581.46
  6. Step 6: Final answer
    x = 62,570.42

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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.