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Finding the Fourth Proportional to 239,768.68, 359,720.45 and 104,844.62

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Solution

The fourth proportional to 239,768.68, 359,720.45 and 104,844.62 is: 157,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,768.68 : 359,720.45 = 104,844.62 : x
  2. Step 2: Convert to fraction form
    239,768.68/359,720.45 = 104,844.62/x
  3. Step 3: Cross multiply
    239,768.68x = 359,720.45 × 104,844.62
  4. Step 4: Simplify right side
    239,768.68x = 37,714,753,886.48
  5. Step 5: Solve for x
    x = 37,714,753,886.48/239,768.68
  6. Step 6: Final answer
    x = 157,296.42

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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.