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Finding the Fourth Proportional to 134,803.60, 202,351.20 and 75,754.60

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Solution

The fourth proportional to 134,803.60, 202,351.20 and 75,754.60 is: 113,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,803.60 : 202,351.20 = 75,754.60 : x
  2. Step 2: Convert to fraction form
    134,803.60/202,351.20 = 75,754.60/x
  3. Step 3: Cross multiply
    134,803.60x = 202,351.20 × 75,754.60
  4. Step 4: Simplify right side
    134,803.60x = 15,329,034,215.52
  5. Step 5: Solve for x
    x = 15,329,034,215.52/134,803.60
  6. Step 6: Final answer
    x = 113,713.83

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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.