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Finding the Fourth Proportional to 227,083.56, 313,384.94 and 126,481.56

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Solution

The fourth proportional to 227,083.56, 313,384.94 and 126,481.56 is: 174,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,083.56 : 313,384.94 = 126,481.56 : x
  2. Step 2: Convert to fraction form
    227,083.56/313,384.94 = 126,481.56/x
  3. Step 3: Cross multiply
    227,083.56x = 313,384.94 × 126,481.56
  4. Step 4: Simplify right side
    227,083.56x = 39,637,416,091.71
  5. Step 5: Solve for x
    x = 39,637,416,091.71/227,083.56
  6. Step 6: Final answer
    x = 174,549.91

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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.