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Finding the Fourth Proportional to 86,502.60, 119,374.47 and 48,265.56

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Solution

The fourth proportional to 86,502.60, 119,374.47 and 48,265.56 is: 66,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,502.60 : 119,374.47 = 48,265.56 : x
  2. Step 2: Convert to fraction form
    86,502.60/119,374.47 = 48,265.56/x
  3. Step 3: Cross multiply
    86,502.60x = 119,374.47 × 48,265.56
  4. Step 4: Simplify right side
    86,502.60x = 5,761,675,644.25
  5. Step 5: Solve for x
    x = 5,761,675,644.25/86,502.60
  6. Step 6: Final answer
    x = 66,606.96

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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.