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Finding the Fourth Proportional to 229,449.60, 344,174.40 and 71,678.22

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Solution

The fourth proportional to 229,449.60, 344,174.40 and 71,678.22 is: 107,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,449.60 : 344,174.40 = 71,678.22 : x
  2. Step 2: Convert to fraction form
    229,449.60/344,174.40 = 71,678.22/x
  3. Step 3: Cross multiply
    229,449.60x = 344,174.40 × 71,678.22
  4. Step 4: Simplify right side
    229,449.60x = 24,669,808,361.57
  5. Step 5: Solve for x
    x = 24,669,808,361.57/229,449.60
  6. Step 6: Final answer
    x = 107,517.33

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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.