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Finding the Fourth Proportional to 226,853.87, 313,054.70 and 124,879.64

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Solution

The fourth proportional to 226,853.87, 313,054.70 and 124,879.64 is: 172,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,853.87 : 313,054.70 = 124,879.64 : x
  2. Step 2: Convert to fraction form
    226,853.87/313,054.70 = 124,879.64/x
  3. Step 3: Cross multiply
    226,853.87x = 313,054.70 × 124,879.64
  4. Step 4: Simplify right side
    226,853.87x = 39,094,156,838.09
  5. Step 5: Solve for x
    x = 39,094,156,838.09/226,853.87
  6. Step 6: Final answer
    x = 172,331.90

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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.