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Finding the Fourth Proportional to 178,908.75, 246,633.89 and 125,026.47

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Solution

The fourth proportional to 178,908.75, 246,633.89 and 125,026.47 is: 172,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,908.75 : 246,633.89 = 125,026.47 : x
  2. Step 2: Convert to fraction form
    178,908.75/246,633.89 = 125,026.47/x
  3. Step 3: Cross multiply
    178,908.75x = 246,633.89 × 125,026.47
  4. Step 4: Simplify right side
    178,908.75x = 30,835,764,023.94
  5. Step 5: Solve for x
    x = 30,835,764,023.94/178,908.75
  6. Step 6: Final answer
    x = 172,354.70

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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.