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Finding the Fourth Proportional to 240,045.15, 360,067.73 and 82,275.15

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Solution

The fourth proportional to 240,045.15, 360,067.73 and 82,275.15 is: 123,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,045.15 : 360,067.73 = 82,275.15 : x
  2. Step 2: Convert to fraction form
    240,045.15/360,067.73 = 82,275.15/x
  3. Step 3: Cross multiply
    240,045.15x = 360,067.73 × 82,275.15
  4. Step 4: Simplify right side
    240,045.15x = 29,624,626,084.53
  5. Step 5: Solve for x
    x = 29,624,626,084.53/240,045.15
  6. Step 6: Final answer
    x = 123,412.73

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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.