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Finding the Fourth Proportional to 98,549.52, 135,998.30 and 53,227.49

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Solution

The fourth proportional to 98,549.52, 135,998.30 and 53,227.49 is: 73,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,549.52 : 135,998.30 = 53,227.49 : x
  2. Step 2: Convert to fraction form
    98,549.52/135,998.30 = 53,227.49/x
  3. Step 3: Cross multiply
    98,549.52x = 135,998.30 × 53,227.49
  4. Step 4: Simplify right side
    98,549.52x = 7,238,847,207.14
  5. Step 5: Solve for x
    x = 7,238,847,207.14/98,549.52
  6. Step 6: Final answer
    x = 73,453.91

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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.