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Finding the Fourth Proportional to 98,489.67, 146,797.61 and 92,884.11

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Solution

The fourth proportional to 98,489.67, 146,797.61 and 92,884.11 is: 138,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,489.67 : 146,797.61 = 92,884.11 : x
  2. Step 2: Convert to fraction form
    98,489.67/146,797.61 = 92,884.11/x
  3. Step 3: Cross multiply
    98,489.67x = 146,797.61 × 92,884.11
  4. Step 4: Simplify right side
    98,489.67x = 13,635,164,890.56
  5. Step 5: Solve for x
    x = 13,635,164,890.56/98,489.67
  6. Step 6: Final answer
    x = 138,442.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.