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Finding the Fourth Proportional to 226,999.11, 313,260.95 and 125,026.88

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Solution

The fourth proportional to 226,999.11, 313,260.95 and 125,026.88 is: 172,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,999.11 : 313,260.95 = 125,026.88 : x
  2. Step 2: Convert to fraction form
    226,999.11/313,260.95 = 125,026.88/x
  3. Step 3: Cross multiply
    226,999.11x = 313,260.95 × 125,026.88
  4. Step 4: Simplify right side
    226,999.11x = 39,166,038,579.20
  5. Step 5: Solve for x
    x = 39,166,038,579.20/226,999.11
  6. Step 6: Final answer
    x = 172,538.29

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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.