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Finding the Fourth Proportional to 234,213.88, 351,105.54 and 84,417.52

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Solution

The fourth proportional to 234,213.88, 351,105.54 and 84,417.52 is: 126,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,213.88 : 351,105.54 = 84,417.52 : x
  2. Step 2: Convert to fraction form
    234,213.88/351,105.54 = 84,417.52/x
  3. Step 3: Cross multiply
    234,213.88x = 351,105.54 × 84,417.52
  4. Step 4: Simplify right side
    234,213.88x = 29,639,458,945.06
  5. Step 5: Solve for x
    x = 29,639,458,945.06/234,213.88
  6. Step 6: Final answer
    x = 126,548.69

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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.