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Finding the Fourth Proportional to 247,357.80, 371,036.70 and 167,641.65

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Solution

The fourth proportional to 247,357.80, 371,036.70 and 167,641.65 is: 251,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,357.80 : 371,036.70 = 167,641.65 : x
  2. Step 2: Convert to fraction form
    247,357.80/371,036.70 = 167,641.65/x
  3. Step 3: Cross multiply
    247,357.80x = 371,036.70 × 167,641.65
  4. Step 4: Simplify right side
    247,357.80x = 62,201,204,598.56
  5. Step 5: Solve for x
    x = 62,201,204,598.56/247,357.80
  6. Step 6: Final answer
    x = 251,462.48

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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.