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Finding the Fourth Proportional to 255,046.79, 382,238.04 and 158,944.52

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Solution

The fourth proportional to 255,046.79, 382,238.04 and 158,944.52 is: 238,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,046.79 : 382,238.04 = 158,944.52 : x
  2. Step 2: Convert to fraction form
    255,046.79/382,238.04 = 158,944.52/x
  3. Step 3: Cross multiply
    255,046.79x = 382,238.04 × 158,944.52
  4. Step 4: Simplify right side
    255,046.79x = 60,754,641,793.54
  5. Step 5: Solve for x
    x = 60,754,641,793.54/255,046.79
  6. Step 6: Final answer
    x = 238,209.79

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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.