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Finding the Fourth Proportional to 86,974.53, 130,511.03 and 37,049.43

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Solution

The fourth proportional to 86,974.53, 130,511.03 and 37,049.43 is: 55,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,974.53 : 130,511.03 = 37,049.43 : x
  2. Step 2: Convert to fraction form
    86,974.53/130,511.03 = 37,049.43/x
  3. Step 3: Cross multiply
    86,974.53x = 130,511.03 × 37,049.43
  4. Step 4: Simplify right side
    86,974.53x = 4,835,359,084.97
  5. Step 5: Solve for x
    x = 4,835,359,084.97/86,974.53
  6. Step 6: Final answer
    x = 55,595.12

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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.