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Finding the Fourth Proportional to 295,279.92, 442,891.80 and 117,739.44

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Solution

The fourth proportional to 295,279.92, 442,891.80 and 117,739.44 is: 176,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,279.92 : 442,891.80 = 117,739.44 : x
  2. Step 2: Convert to fraction form
    295,279.92/442,891.80 = 117,739.44/x
  3. Step 3: Cross multiply
    295,279.92x = 442,891.80 × 117,739.44
  4. Step 4: Simplify right side
    295,279.92x = 52,145,832,512.59
  5. Step 5: Solve for x
    x = 52,145,832,512.59/295,279.92
  6. Step 6: Final answer
    x = 176,597.96

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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.