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Finding the Fourth Proportional to 73,488.96, 110,134.08 and 52,666.56

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Solution

The fourth proportional to 73,488.96, 110,134.08 and 52,666.56 is: 78,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,488.96 : 110,134.08 = 52,666.56 : x
  2. Step 2: Convert to fraction form
    73,488.96/110,134.08 = 52,666.56/x
  3. Step 3: Cross multiply
    73,488.96x = 110,134.08 × 52,666.56
  4. Step 4: Simplify right side
    73,488.96x = 5,800,383,132.36
  5. Step 5: Solve for x
    x = 5,800,383,132.36/73,488.96
  6. Step 6: Final answer
    x = 78,928.63

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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.