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Finding the Fourth Proportional to 226,695.20, 340,042.80 and 187,296.80

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Solution

The fourth proportional to 226,695.20, 340,042.80 and 187,296.80 is: 280,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,695.20 : 340,042.80 = 187,296.80 : x
  2. Step 2: Convert to fraction form
    226,695.20/340,042.80 = 187,296.80/x
  3. Step 3: Cross multiply
    226,695.20x = 340,042.80 × 187,296.80
  4. Step 4: Simplify right side
    226,695.20x = 63,688,928,303.04
  5. Step 5: Solve for x
    x = 63,688,928,303.04/226,695.20
  6. Step 6: Final answer
    x = 280,945.20

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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.