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Finding the Fourth Proportional to 62,139.81, 85,753.05 and 33,845.61

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Solution

The fourth proportional to 62,139.81, 85,753.05 and 33,845.61 is: 46,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.81 : 85,753.05 = 33,845.61 : x
  2. Step 2: Convert to fraction form
    62,139.81/85,753.05 = 33,845.61/x
  3. Step 3: Cross multiply
    62,139.81x = 85,753.05 × 33,845.61
  4. Step 4: Simplify right side
    62,139.81x = 2,902,364,286.61
  5. Step 5: Solve for x
    x = 2,902,364,286.61/62,139.81
  6. Step 6: Final answer
    x = 46,707.00

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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.