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Finding the Fourth Proportional to 75,062.52, 103,537.44 and 48,162.42

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Solution

The fourth proportional to 75,062.52, 103,537.44 and 48,162.42 is: 66,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,062.52 : 103,537.44 = 48,162.42 : x
  2. Step 2: Convert to fraction form
    75,062.52/103,537.44 = 48,162.42/x
  3. Step 3: Cross multiply
    75,062.52x = 103,537.44 × 48,162.42
  4. Step 4: Simplify right side
    75,062.52x = 4,986,613,671.00
  5. Step 5: Solve for x
    x = 4,986,613,671.00/75,062.52
  6. Step 6: Final answer
    x = 66,432.80

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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.