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Finding the Fourth Proportional to 226,881, 313,095.78 and 126,276.84

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Solution

The fourth proportional to 226,881, 313,095.78 and 126,276.84 is: 174,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,881 : 313,095.78 = 126,276.84 : x
  2. Step 2: Convert to fraction form
    226,881/313,095.78 = 126,276.84/x
  3. Step 3: Cross multiply
    226,881x = 313,095.78 × 126,276.84
  4. Step 4: Simplify right side
    226,881x = 39,536,745,715.74
  5. Step 5: Solve for x
    x = 39,536,745,715.74/226,881
  6. Step 6: Final answer
    x = 174,262.04

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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.