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Finding the Fourth Proportional to 132,770.65, 199,247.96 and 52,800.42

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Solution

The fourth proportional to 132,770.65, 199,247.96 and 52,800.42 is: 79,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,770.65 : 199,247.96 = 52,800.42 : x
  2. Step 2: Convert to fraction form
    132,770.65/199,247.96 = 52,800.42/x
  3. Step 3: Cross multiply
    132,770.65x = 199,247.96 × 52,800.42
  4. Step 4: Simplify right side
    132,770.65x = 10,520,376,455.32
  5. Step 5: Solve for x
    x = 10,520,376,455.32/132,770.65
  6. Step 6: Final answer
    x = 79,237.21

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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.