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Finding the Fourth Proportional to 155,522.20, 232,937.70 and 134,786.20

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Solution

The fourth proportional to 155,522.20, 232,937.70 and 134,786.20 is: 201,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,522.20 : 232,937.70 = 134,786.20 : x
  2. Step 2: Convert to fraction form
    155,522.20/232,937.70 = 134,786.20/x
  3. Step 3: Cross multiply
    155,522.20x = 232,937.70 × 134,786.20
  4. Step 4: Simplify right side
    155,522.20x = 31,396,787,419.74
  5. Step 5: Solve for x
    x = 31,396,787,419.74/155,522.20
  6. Step 6: Final answer
    x = 201,879.78

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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.