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Finding the Fourth Proportional to 122,304.33, 168,781.69 and 73,899.54

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Solution

The fourth proportional to 122,304.33, 168,781.69 and 73,899.54 is: 101,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,304.33 : 168,781.69 = 73,899.54 : x
  2. Step 2: Convert to fraction form
    122,304.33/168,781.69 = 73,899.54/x
  3. Step 3: Cross multiply
    122,304.33x = 168,781.69 × 73,899.54
  4. Step 4: Simplify right side
    122,304.33x = 12,472,889,343.80
  5. Step 5: Solve for x
    x = 12,472,889,343.80/122,304.33
  6. Step 6: Final answer
    x = 101,982.40

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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.