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Finding the Fourth Proportional to 229,762.20, 344,654.10 and 71,995.80

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Solution

The fourth proportional to 229,762.20, 344,654.10 and 71,995.80 is: 107,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,762.20 : 344,654.10 = 71,995.80 : x
  2. Step 2: Convert to fraction form
    229,762.20/344,654.10 = 71,995.80/x
  3. Step 3: Cross multiply
    229,762.20x = 344,654.10 × 71,995.80
  4. Step 4: Simplify right side
    229,762.20x = 24,813,647,652.78
  5. Step 5: Solve for x
    x = 24,813,647,652.78/229,762.20
  6. Step 6: Final answer
    x = 107,997.08

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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.