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Finding the Fourth Proportional to 240,616.48, 360,697.74 and 82,734.52

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Solution

The fourth proportional to 240,616.48, 360,697.74 and 82,734.52 is: 124,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,616.48 : 360,697.74 = 82,734.52 : x
  2. Step 2: Convert to fraction form
    240,616.48/360,697.74 = 82,734.52/x
  3. Step 3: Cross multiply
    240,616.48x = 360,697.74 × 82,734.52
  4. Step 4: Simplify right side
    240,616.48x = 29,842,154,383.98
  5. Step 5: Solve for x
    x = 29,842,154,383.98/240,616.48
  6. Step 6: Final answer
    x = 124,023.73

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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.