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Finding the Fourth Proportional to 132,960.80, 199,270.56 and 58,060.64

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Solution

The fourth proportional to 132,960.80, 199,270.56 and 58,060.64 is: 87,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,960.80 : 199,270.56 = 58,060.64 : x
  2. Step 2: Convert to fraction form
    132,960.80/199,270.56 = 58,060.64/x
  3. Step 3: Cross multiply
    132,960.80x = 199,270.56 × 58,060.64
  4. Step 4: Simplify right side
    132,960.80x = 11,569,776,246.76
  5. Step 5: Solve for x
    x = 11,569,776,246.76/132,960.80
  6. Step 6: Final answer
    x = 87,016.45

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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.