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Finding the Fourth Proportional to 226,801.35, 340,141.28 and 68,987.43

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Solution

The fourth proportional to 226,801.35, 340,141.28 and 68,987.43 is: 103,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,801.35 : 340,141.28 = 68,987.43 : x
  2. Step 2: Convert to fraction form
    226,801.35/340,141.28 = 68,987.43/x
  3. Step 3: Cross multiply
    226,801.35x = 340,141.28 × 68,987.43
  4. Step 4: Simplify right side
    226,801.35x = 23,465,472,399.17
  5. Step 5: Solve for x
    x = 23,465,472,399.17/226,801.35
  6. Step 6: Final answer
    x = 103,462.67

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1.5x scale

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.