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Finding the Fourth Proportional to 236,251.53, 354,383.78 and 76,334.31

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Solution

The fourth proportional to 236,251.53, 354,383.78 and 76,334.31 is: 114,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,251.53 : 354,383.78 = 76,334.31 : x
  2. Step 2: Convert to fraction form
    236,251.53/354,383.78 = 76,334.31/x
  3. Step 3: Cross multiply
    236,251.53x = 354,383.78 × 76,334.31
  4. Step 4: Simplify right side
    236,251.53x = 27,051,640,939.82
  5. Step 5: Solve for x
    x = 27,051,640,939.82/236,251.53
  6. Step 6: Final answer
    x = 114,503.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.