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Finding the Fourth Proportional to 146,317.40, 201,934.40 and 82,659.30

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Solution

The fourth proportional to 146,317.40, 201,934.40 and 82,659.30 is: 114,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,317.40 : 201,934.40 = 82,659.30 : x
  2. Step 2: Convert to fraction form
    146,317.40/201,934.40 = 82,659.30/x
  3. Step 3: Cross multiply
    146,317.40x = 201,934.40 × 82,659.30
  4. Step 4: Simplify right side
    146,317.40x = 16,691,756,149.92
  5. Step 5: Solve for x
    x = 16,691,756,149.92/146,317.40
  6. Step 6: Final answer
    x = 114,079.09

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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.