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Finding the Fourth Proportional to 226,983, 313,238.72 and 126,383.16

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Solution

The fourth proportional to 226,983, 313,238.72 and 126,383.16 is: 174,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,983 : 313,238.72 = 126,383.16 : x
  2. Step 2: Convert to fraction form
    226,983/313,238.72 = 126,383.16/x
  3. Step 3: Cross multiply
    226,983x = 313,238.72 × 126,383.16
  4. Step 4: Simplify right side
    226,983x = 39,588,099,267.96
  5. Step 5: Solve for x
    x = 39,588,099,267.96/226,983
  6. Step 6: Final answer
    x = 174,409.97

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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.