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Finding the Fourth Proportional to 226,969.31, 313,207.53 and 130,103.70

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Solution

The fourth proportional to 226,969.31, 313,207.53 and 130,103.70 is: 179,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,969.31 : 313,207.53 = 130,103.70 : x
  2. Step 2: Convert to fraction form
    226,969.31/313,207.53 = 130,103.70/x
  3. Step 3: Cross multiply
    226,969.31x = 313,207.53 × 130,103.70
  4. Step 4: Simplify right side
    226,969.31x = 40,749,459,207.50
  5. Step 5: Solve for x
    x = 40,749,459,207.50/226,969.31
  6. Step 6: Final answer
    x = 179,537.31

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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.