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Finding the Fourth Proportional to 240,781.58, 361,149.33 and 82,988.30

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Solution

The fourth proportional to 240,781.58, 361,149.33 and 82,988.30 is: 124,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,781.58 : 361,149.33 = 82,988.30 : x
  2. Step 2: Convert to fraction form
    240,781.58/361,149.33 = 82,988.30/x
  3. Step 3: Cross multiply
    240,781.58x = 361,149.33 × 82,988.30
  4. Step 4: Simplify right side
    240,781.58x = 29,971,168,942.84
  5. Step 5: Solve for x
    x = 29,971,168,942.84/240,781.58
  6. Step 6: Final answer
    x = 124,474.51

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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.