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Finding the Fourth Proportional to 158,506.82, 218,761.79 and 98,096.92

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Solution

The fourth proportional to 158,506.82, 218,761.79 and 98,096.92 is: 135,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,506.82 : 218,761.79 = 98,096.92 : x
  2. Step 2: Convert to fraction form
    158,506.82/218,761.79 = 98,096.92/x
  3. Step 3: Cross multiply
    158,506.82x = 218,761.79 × 98,096.92
  4. Step 4: Simplify right side
    158,506.82x = 21,459,856,228.39
  5. Step 5: Solve for x
    x = 21,459,856,228.39/158,506.82
  6. Step 6: Final answer
    x = 135,387.59

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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.