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Finding the Fourth Proportional to 88,652.37, 132,978.56 and 38,039.73

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Solution

The fourth proportional to 88,652.37, 132,978.56 and 38,039.73 is: 57,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,652.37 : 132,978.56 = 38,039.73 : x
  2. Step 2: Convert to fraction form
    88,652.37/132,978.56 = 38,039.73/x
  3. Step 3: Cross multiply
    88,652.37x = 132,978.56 × 38,039.73
  4. Step 4: Simplify right side
    88,652.37x = 5,058,468,043.29
  5. Step 5: Solve for x
    x = 5,058,468,043.29/88,652.37
  6. Step 6: Final answer
    x = 57,059.59

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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.