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Finding the Fourth Proportional to 129,626.60, 194,221.20 and 62,923.10

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Solution

The fourth proportional to 129,626.60, 194,221.20 and 62,923.10 is: 94,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,626.60 : 194,221.20 = 62,923.10 : x
  2. Step 2: Convert to fraction form
    129,626.60/194,221.20 = 62,923.10/x
  3. Step 3: Cross multiply
    129,626.60x = 194,221.20 × 62,923.10
  4. Step 4: Simplify right side
    129,626.60x = 12,220,999,989.72
  5. Step 5: Solve for x
    x = 12,220,999,989.72/129,626.60
  6. Step 6: Final answer
    x = 94,278.49

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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.