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Finding the Fourth Proportional to 97,339.56, 134,320.52 and 54,908.52

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Solution

The fourth proportional to 97,339.56, 134,320.52 and 54,908.52 is: 75,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,339.56 : 134,320.52 = 54,908.52 : x
  2. Step 2: Convert to fraction form
    97,339.56/134,320.52 = 54,908.52/x
  3. Step 3: Cross multiply
    97,339.56x = 134,320.52 × 54,908.52
  4. Step 4: Simplify right side
    97,339.56x = 7,375,340,958.83
  5. Step 5: Solve for x
    x = 7,375,340,958.83/97,339.56
  6. Step 6: Final answer
    x = 75,769.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.