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Finding the Fourth Proportional to 226,910.64, 313,125.75 and 124,933.98

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Solution

The fourth proportional to 226,910.64, 313,125.75 and 124,933.98 is: 172,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,910.64 : 313,125.75 = 124,933.98 : x
  2. Step 2: Convert to fraction form
    226,910.64/313,125.75 = 124,933.98/x
  3. Step 3: Cross multiply
    226,910.64x = 313,125.75 × 124,933.98
  4. Step 4: Simplify right side
    226,910.64x = 39,120,046,187.99
  5. Step 5: Solve for x
    x = 39,120,046,187.99/226,910.64
  6. Step 6: Final answer
    x = 172,402.87

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1.5x scale

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.