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Finding the Fourth Proportional to 158,063.67, 217,871.82 and 123,548.22

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Solution

The fourth proportional to 158,063.67, 217,871.82 and 123,548.22 is: 170,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,063.67 : 217,871.82 = 123,548.22 : x
  2. Step 2: Convert to fraction form
    158,063.67/217,871.82 = 123,548.22/x
  3. Step 3: Cross multiply
    158,063.67x = 217,871.82 × 123,548.22
  4. Step 4: Simplify right side
    158,063.67x = 26,917,675,549.16
  5. Step 5: Solve for x
    x = 26,917,675,549.16/158,063.67
  6. Step 6: Final answer
    x = 170,296.41

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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.