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Finding the Fourth Proportional to 167,253.71, 250,644.78 and 129,637.61

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Solution

The fourth proportional to 167,253.71, 250,644.78 and 129,637.61 is: 194,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,253.71 : 250,644.78 = 129,637.61 : x
  2. Step 2: Convert to fraction form
    167,253.71/250,644.78 = 129,637.61/x
  3. Step 3: Cross multiply
    167,253.71x = 250,644.78 × 129,637.61
  4. Step 4: Simplify right side
    167,253.71x = 32,492,991,334.75
  5. Step 5: Solve for x
    x = 32,492,991,334.75/167,253.71
  6. Step 6: Final answer
    x = 194,273.66

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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.