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Finding the Fourth Proportional to 226,909.79, 313,132.93 and 124,933.17

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Solution

The fourth proportional to 226,909.79, 313,132.93 and 124,933.17 is: 172,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,909.79 : 313,132.93 = 124,933.17 : x
  2. Step 2: Convert to fraction form
    226,909.79/313,132.93 = 124,933.17/x
  3. Step 3: Cross multiply
    226,909.79x = 313,132.93 × 124,933.17
  4. Step 4: Simplify right side
    226,909.79x = 39,120,688,676.83
  5. Step 5: Solve for x
    x = 39,120,688,676.83/226,909.79
  6. Step 6: Final answer
    x = 172,406.35

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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.