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Finding the Fourth Proportional to 71,304.36, 106,903.53 and 43,217.52

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Solution

The fourth proportional to 71,304.36, 106,903.53 and 43,217.52 is: 64,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304.36 : 106,903.53 = 43,217.52 : x
  2. Step 2: Convert to fraction form
    71,304.36/106,903.53 = 43,217.52/x
  3. Step 3: Cross multiply
    71,304.36x = 106,903.53 × 43,217.52
  4. Step 4: Simplify right side
    71,304.36x = 4,620,105,445.85
  5. Step 5: Solve for x
    x = 4,620,105,445.85/71,304.36
  6. Step 6: Final answer
    x = 64,794.15

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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.