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Finding the Fourth Proportional to 247,231.80, 370,847.70 and 167,515.65

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Solution

The fourth proportional to 247,231.80, 370,847.70 and 167,515.65 is: 251,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,231.80 : 370,847.70 = 167,515.65 : x
  2. Step 2: Convert to fraction form
    247,231.80/370,847.70 = 167,515.65/x
  3. Step 3: Cross multiply
    247,231.80x = 370,847.70 × 167,515.65
  4. Step 4: Simplify right side
    247,231.80x = 62,122,793,516.51
  5. Step 5: Solve for x
    x = 62,122,793,516.51/247,231.80
  6. Step 6: Final answer
    x = 251,273.48

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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.