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Finding the Fourth Proportional to 134,482.82, 201,677.15 and 39,687.85

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Solution

The fourth proportional to 134,482.82, 201,677.15 and 39,687.85 is: 59,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,482.82 : 201,677.15 = 39,687.85 : x
  2. Step 2: Convert to fraction form
    134,482.82/201,677.15 = 39,687.85/x
  3. Step 3: Cross multiply
    134,482.82x = 201,677.15 × 39,687.85
  4. Step 4: Simplify right side
    134,482.82x = 8,004,132,072.65
  5. Step 5: Solve for x
    x = 8,004,132,072.65/134,482.82
  6. Step 6: Final answer
    x = 59,517.88

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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.