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Finding the Fourth Proportional to 167,081.45, 250,233.05 and 100,374.30

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Solution

The fourth proportional to 167,081.45, 250,233.05 and 100,374.30 is: 150,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,081.45 : 250,233.05 = 100,374.30 : x
  2. Step 2: Convert to fraction form
    167,081.45/250,233.05 = 100,374.30/x
  3. Step 3: Cross multiply
    167,081.45x = 250,233.05 × 100,374.30
  4. Step 4: Simplify right side
    167,081.45x = 25,116,966,728.74
  5. Step 5: Solve for x
    x = 25,116,966,728.74/167,081.45
  6. Step 6: Final answer
    x = 150,327.68

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1.5x scale

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.