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Finding the Fourth Proportional to 99,296.73, 136,897.83 and 82,238.13

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Solution

The fourth proportional to 99,296.73, 136,897.83 and 82,238.13 is: 113,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,296.73 : 136,897.83 = 82,238.13 : x
  2. Step 2: Convert to fraction form
    99,296.73/136,897.83 = 82,238.13/x
  3. Step 3: Cross multiply
    99,296.73x = 136,897.83 × 82,238.13
  4. Step 4: Simplify right side
    99,296.73x = 11,258,221,540.26
  5. Step 5: Solve for x
    x = 11,258,221,540.26/99,296.73
  6. Step 6: Final answer
    x = 113,379.58

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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.