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Finding the Fourth Proportional to 86,866.56, 130,318.97 and 49,444.25

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Solution

The fourth proportional to 86,866.56, 130,318.97 and 49,444.25 is: 74,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,866.56 : 130,318.97 = 49,444.25 : x
  2. Step 2: Convert to fraction form
    86,866.56/130,318.97 = 49,444.25/x
  3. Step 3: Cross multiply
    86,866.56x = 130,318.97 × 49,444.25
  4. Step 4: Simplify right side
    86,866.56x = 6,443,522,833.61
  5. Step 5: Solve for x
    x = 6,443,522,833.61/86,866.56
  6. Step 6: Final answer
    x = 74,177.25

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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.