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Finding the Fourth Proportional to 91,754.87, 137,617.58 and 25,179.45

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Solution

The fourth proportional to 91,754.87, 137,617.58 and 25,179.45 is: 37,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,754.87 : 137,617.58 = 25,179.45 : x
  2. Step 2: Convert to fraction form
    91,754.87/137,617.58 = 25,179.45/x
  3. Step 3: Cross multiply
    91,754.87x = 137,617.58 × 25,179.45
  4. Step 4: Simplify right side
    91,754.87x = 3,465,134,848.83
  5. Step 5: Solve for x
    x = 3,465,134,848.83/91,754.87
  6. Step 6: Final answer
    x = 37,765.13

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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.