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Finding the Fourth Proportional to 118,070.60, 162,941.20 and 67,082.40

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Solution

The fourth proportional to 118,070.60, 162,941.20 and 67,082.40 is: 92,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,070.60 : 162,941.20 = 67,082.40 : x
  2. Step 2: Convert to fraction form
    118,070.60/162,941.20 = 67,082.40/x
  3. Step 3: Cross multiply
    118,070.60x = 162,941.20 × 67,082.40
  4. Step 4: Simplify right side
    118,070.60x = 10,930,486,754.88
  5. Step 5: Solve for x
    x = 10,930,486,754.88/118,070.60
  6. Step 6: Final answer
    x = 92,575.86

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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.