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Finding the Fourth Proportional to 226,701.96, 340,040.61 and 68,918.10

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Solution

The fourth proportional to 226,701.96, 340,040.61 and 68,918.10 is: 103,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,701.96 : 340,040.61 = 68,918.10 : x
  2. Step 2: Convert to fraction form
    226,701.96/340,040.61 = 68,918.10/x
  3. Step 3: Cross multiply
    226,701.96x = 340,040.61 × 68,918.10
  4. Step 4: Simplify right side
    226,701.96x = 23,434,952,764.04
  5. Step 5: Solve for x
    x = 23,434,952,764.04/226,701.96
  6. Step 6: Final answer
    x = 103,373.40

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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.