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Finding the Fourth Proportional to 167,224.66, 250,875.30 and 72,470.74

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Solution

The fourth proportional to 167,224.66, 250,875.30 and 72,470.74 is: 108,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,224.66 : 250,875.30 = 72,470.74 : x
  2. Step 2: Convert to fraction form
    167,224.66/250,875.30 = 72,470.74/x
  3. Step 3: Cross multiply
    167,224.66x = 250,875.30 × 72,470.74
  4. Step 4: Simplify right side
    167,224.66x = 18,181,118,952.32
  5. Step 5: Solve for x
    x = 18,181,118,952.32/167,224.66
  6. Step 6: Final answer
    x = 108,722.71

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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.