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Finding the Fourth Proportional to 179,765.64, 269,695.98 and 61,436.52

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Solution

The fourth proportional to 179,765.64, 269,695.98 and 61,436.52 is: 92,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,765.64 : 269,695.98 = 61,436.52 : x
  2. Step 2: Convert to fraction form
    179,765.64/269,695.98 = 61,436.52/x
  3. Step 3: Cross multiply
    179,765.64x = 269,695.98 × 61,436.52
  4. Step 4: Simplify right side
    179,765.64x = 16,569,182,469.19
  5. Step 5: Solve for x
    x = 16,569,182,469.19/179,765.64
  6. Step 6: Final answer
    x = 92,171.02

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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.