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Finding the Fourth Proportional to 118,060.96, 162,912.72 and 67,750.24

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Solution

The fourth proportional to 118,060.96, 162,912.72 and 67,750.24 is: 93,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,060.96 : 162,912.72 = 67,750.24 : x
  2. Step 2: Convert to fraction form
    118,060.96/162,912.72 = 67,750.24/x
  3. Step 3: Cross multiply
    118,060.96x = 162,912.72 × 67,750.24
  4. Step 4: Simplify right side
    118,060.96x = 11,037,375,879.05
  5. Step 5: Solve for x
    x = 11,037,375,879.05/118,060.96
  6. Step 6: Final answer
    x = 93,488.79

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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.