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Finding the Fourth Proportional to 229,751.40, 344,627.22 and 71,992.20

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Solution

The fourth proportional to 229,751.40, 344,627.22 and 71,992.20 is: 107,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,751.40 : 344,627.22 = 71,992.20 : x
  2. Step 2: Convert to fraction form
    229,751.40/344,627.22 = 71,992.20/x
  3. Step 3: Cross multiply
    229,751.40x = 344,627.22 × 71,992.20
  4. Step 4: Simplify right side
    229,751.40x = 24,810,471,747.68
  5. Step 5: Solve for x
    x = 24,810,471,747.68/229,751.40
  6. Step 6: Final answer
    x = 107,988.34

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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.