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Finding the Fourth Proportional to 167,856.40, 252,076.20 and 89,124.40

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Solution

The fourth proportional to 167,856.40, 252,076.20 and 89,124.40 is: 133,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,856.40 : 252,076.20 = 89,124.40 : x
  2. Step 2: Convert to fraction form
    167,856.40/252,076.20 = 89,124.40/x
  3. Step 3: Cross multiply
    167,856.40x = 252,076.20 × 89,124.40
  4. Step 4: Simplify right side
    167,856.40x = 22,466,140,079.28
  5. Step 5: Solve for x
    x = 22,466,140,079.28/167,856.40
  6. Step 6: Final answer
    x = 133,841.43

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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.