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Finding the Fourth Proportional to 270,454.98, 372,888.57 and 173,487.87

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Solution

The fourth proportional to 270,454.98, 372,888.57 and 173,487.87 is: 239,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,454.98 : 372,888.57 = 173,487.87 : x
  2. Step 2: Convert to fraction form
    270,454.98/372,888.57 = 173,487.87/x
  3. Step 3: Cross multiply
    270,454.98x = 372,888.57 × 173,487.87
  4. Step 4: Simplify right side
    270,454.98x = 64,691,643,756.65
  5. Step 5: Solve for x
    x = 64,691,643,756.65/270,454.98
  6. Step 6: Final answer
    x = 239,195.61

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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.