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Finding the Fourth Proportional to 268,046.92, 402,148.29 and 108,040.08

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Solution

The fourth proportional to 268,046.92, 402,148.29 and 108,040.08 is: 162,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,046.92 : 402,148.29 = 108,040.08 : x
  2. Step 2: Convert to fraction form
    268,046.92/402,148.29 = 108,040.08/x
  3. Step 3: Cross multiply
    268,046.92x = 402,148.29 × 108,040.08
  4. Step 4: Simplify right side
    268,046.92x = 43,448,133,074.59
  5. Step 5: Solve for x
    x = 43,448,133,074.59/268,046.92
  6. Step 6: Final answer
    x = 162,091.52

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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.