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Finding the Fourth Proportional to 61,836.62, 92,610.54 and 45,155.27

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Solution

The fourth proportional to 61,836.62, 92,610.54 and 45,155.27 is: 67,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,836.62 : 92,610.54 = 45,155.27 : x
  2. Step 2: Convert to fraction form
    61,836.62/92,610.54 = 45,155.27/x
  3. Step 3: Cross multiply
    61,836.62x = 92,610.54 × 45,155.27
  4. Step 4: Simplify right side
    61,836.62x = 4,181,854,170.07
  5. Step 5: Solve for x
    x = 4,181,854,170.07/61,836.62
  6. Step 6: Final answer
    x = 67,627.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.