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Finding the Fourth Proportional to 107,339.52, 148,132.80 and 62,016

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Solution

The fourth proportional to 107,339.52, 148,132.80 and 62,016 is: 85,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,339.52 : 148,132.80 = 62,016 : x
  2. Step 2: Convert to fraction form
    107,339.52/148,132.80 = 62,016/x
  3. Step 3: Cross multiply
    107,339.52x = 148,132.80 × 62,016
  4. Step 4: Simplify right side
    107,339.52x = 9,186,603,724.80
  5. Step 5: Solve for x
    x = 9,186,603,724.80/107,339.52
  6. Step 6: Final answer
    x = 85,584.54

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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.