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Finding the Fourth Proportional to 92,652.56, 138,978.88 and 37,248.56

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Solution

The fourth proportional to 92,652.56, 138,978.88 and 37,248.56 is: 55,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,652.56 : 138,978.88 = 37,248.56 : x
  2. Step 2: Convert to fraction form
    92,652.56/138,978.88 = 37,248.56/x
  3. Step 3: Cross multiply
    92,652.56x = 138,978.88 × 37,248.56
  4. Step 4: Simplify right side
    92,652.56x = 5,176,763,150.41
  5. Step 5: Solve for x
    x = 5,176,763,150.41/92,652.56
  6. Step 6: Final answer
    x = 55,872.86

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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.