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Finding the Fourth Proportional to 227,060.40, 313,343.30 and 126,458.40

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Solution

The fourth proportional to 227,060.40, 313,343.30 and 126,458.40 is: 174,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,060.40 : 313,343.30 = 126,458.40 : x
  2. Step 2: Convert to fraction form
    227,060.40/313,343.30 = 126,458.40/x
  3. Step 3: Cross multiply
    227,060.40x = 313,343.30 × 126,458.40
  4. Step 4: Simplify right side
    227,060.40x = 39,624,892,368.72
  5. Step 5: Solve for x
    x = 39,624,892,368.72/227,060.40
  6. Step 6: Final answer
    x = 174,512.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.