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Finding the Fourth Proportional to 158,496.10, 218,747.02 and 98,086.20

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Solution

The fourth proportional to 158,496.10, 218,747.02 and 98,086.20 is: 135,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,496.10 : 218,747.02 = 98,086.20 : x
  2. Step 2: Convert to fraction form
    158,496.10/218,747.02 = 98,086.20/x
  3. Step 3: Cross multiply
    158,496.10x = 218,747.02 × 98,086.20
  4. Step 4: Simplify right side
    158,496.10x = 21,456,063,953.12
  5. Step 5: Solve for x
    x = 21,456,063,953.12/158,496.10
  6. Step 6: Final answer
    x = 135,372.82

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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.