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Finding the Fourth Proportional to 191,704.80, 287,555.76 and 49,537.92

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Solution

The fourth proportional to 191,704.80, 287,555.76 and 49,537.92 is: 74,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,704.80 : 287,555.76 = 49,537.92 : x
  2. Step 2: Convert to fraction form
    191,704.80/287,555.76 = 49,537.92/x
  3. Step 3: Cross multiply
    191,704.80x = 287,555.76 × 49,537.92
  4. Step 4: Simplify right side
    191,704.80x = 14,244,914,234.42
  5. Step 5: Solve for x
    x = 14,244,914,234.42/191,704.80
  6. Step 6: Final answer
    x = 74,306.51

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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.