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Finding the Fourth Proportional to 61,877.44, 92,610.78 and 56,343.52

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Solution

The fourth proportional to 61,877.44, 92,610.78 and 56,343.52 is: 84,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.44 : 92,610.78 = 56,343.52 : x
  2. Step 2: Convert to fraction form
    61,877.44/92,610.78 = 56,343.52/x
  3. Step 3: Cross multiply
    61,877.44x = 92,610.78 × 56,343.52
  4. Step 4: Simplify right side
    61,877.44x = 5,218,017,335.15
  5. Step 5: Solve for x
    x = 5,218,017,335.15/61,877.44
  6. Step 6: Final answer
    x = 84,328.27

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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.