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Finding the Fourth Proportional to 73,390.65, 101,310.11 and 49,549.62

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Solution

The fourth proportional to 73,390.65, 101,310.11 and 49,549.62 is: 68,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,390.65 : 101,310.11 = 49,549.62 : x
  2. Step 2: Convert to fraction form
    73,390.65/101,310.11 = 49,549.62/x
  3. Step 3: Cross multiply
    73,390.65x = 101,310.11 × 49,549.62
  4. Step 4: Simplify right side
    73,390.65x = 5,019,877,452.66
  5. Step 5: Solve for x
    x = 5,019,877,452.66/73,390.65
  6. Step 6: Final answer
    x = 68,399.41

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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.