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Finding the Fourth Proportional to 226,749.60, 340,111.80 and 68,965.65

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Solution

The fourth proportional to 226,749.60, 340,111.80 and 68,965.65 is: 103,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,749.60 : 340,111.80 = 68,965.65 : x
  2. Step 2: Convert to fraction form
    226,749.60/340,111.80 = 68,965.65/x
  3. Step 3: Cross multiply
    226,749.60x = 340,111.80 × 68,965.65
  4. Step 4: Simplify right side
    226,749.60x = 23,456,031,359.67
  5. Step 5: Solve for x
    x = 23,456,031,359.67/226,749.60
  6. Step 6: Final answer
    x = 103,444.64

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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.