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Finding the Fourth Proportional to 226,995.66, 340,480.53 and 86,768.46

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Solution

The fourth proportional to 226,995.66, 340,480.53 and 86,768.46 is: 130,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,995.66 : 340,480.53 = 86,768.46 : x
  2. Step 2: Convert to fraction form
    226,995.66/340,480.53 = 86,768.46/x
  3. Step 3: Cross multiply
    226,995.66x = 340,480.53 × 86,768.46
  4. Step 4: Simplify right side
    226,995.66x = 29,542,971,248.08
  5. Step 5: Solve for x
    x = 29,542,971,248.08/226,995.66
  6. Step 6: Final answer
    x = 130,147.74

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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.