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Finding the Fourth Proportional to 251,793.72, 347,461.92 and 144,358.56

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Solution

The fourth proportional to 251,793.72, 347,461.92 and 144,358.56 is: 199,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,793.72 : 347,461.92 = 144,358.56 : x
  2. Step 2: Convert to fraction form
    251,793.72/347,461.92 = 144,358.56/x
  3. Step 3: Cross multiply
    251,793.72x = 347,461.92 × 144,358.56
  4. Step 4: Simplify right side
    251,793.72x = 50,159,102,426.04
  5. Step 5: Solve for x
    x = 50,159,102,426.04/251,793.72
  6. Step 6: Final answer
    x = 199,207.12

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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.