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Finding the Fourth Proportional to 229,256.88, 343,882.08 and 71,486.88

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Solution

The fourth proportional to 229,256.88, 343,882.08 and 71,486.88 is: 107,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,256.88 : 343,882.08 = 71,486.88 : x
  2. Step 2: Convert to fraction form
    229,256.88/343,882.08 = 71,486.88/x
  3. Step 3: Cross multiply
    229,256.88x = 343,882.08 × 71,486.88
  4. Step 4: Simplify right side
    229,256.88x = 24,583,056,987.11
  5. Step 5: Solve for x
    x = 24,583,056,987.11/229,256.88
  6. Step 6: Final answer
    x = 107,229.31

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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.