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Finding the Fourth Proportional to 167,432.40, 251,155.89 and 83,232.90

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Solution

The fourth proportional to 167,432.40, 251,155.89 and 83,232.90 is: 124,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,432.40 : 251,155.89 = 83,232.90 : x
  2. Step 2: Convert to fraction form
    167,432.40/251,155.89 = 83,232.90/x
  3. Step 3: Cross multiply
    167,432.40x = 251,155.89 × 83,232.90
  4. Step 4: Simplify right side
    167,432.40x = 20,904,433,076.78
  5. Step 5: Solve for x
    x = 20,904,433,076.78/167,432.40
  6. Step 6: Final answer
    x = 124,852.97

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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.