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Finding the Fourth Proportional to 118,016.85, 162,865.11 and 64,301.85

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Solution

The fourth proportional to 118,016.85, 162,865.11 and 64,301.85 is: 88,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,016.85 : 162,865.11 = 64,301.85 : x
  2. Step 2: Convert to fraction form
    118,016.85/162,865.11 = 64,301.85/x
  3. Step 3: Cross multiply
    118,016.85x = 162,865.11 × 64,301.85
  4. Step 4: Simplify right side
    118,016.85x = 10,472,527,873.45
  5. Step 5: Solve for x
    x = 10,472,527,873.45/118,016.85
  6. Step 6: Final answer
    x = 88,737.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.