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Finding the Fourth Proportional to 268,429.44, 402,348.92 and 110,571.80

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Solution

The fourth proportional to 268,429.44, 402,348.92 and 110,571.80 is: 165,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,429.44 : 402,348.92 = 110,571.80 : x
  2. Step 2: Convert to fraction form
    268,429.44/402,348.92 = 110,571.80/x
  3. Step 3: Cross multiply
    268,429.44x = 402,348.92 × 110,571.80
  4. Step 4: Simplify right side
    268,429.44x = 44,488,444,312.46
  5. Step 5: Solve for x
    x = 44,488,444,312.46/268,429.44
  6. Step 6: Final answer
    x = 165,736.08

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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.