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Finding the Fourth Proportional to 98,691.67, 148,036.12 and 23,811.18

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Solution

The fourth proportional to 98,691.67, 148,036.12 and 23,811.18 is: 35,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,691.67 : 148,036.12 = 23,811.18 : x
  2. Step 2: Convert to fraction form
    98,691.67/148,036.12 = 23,811.18/x
  3. Step 3: Cross multiply
    98,691.67x = 148,036.12 × 23,811.18
  4. Step 4: Simplify right side
    98,691.67x = 3,524,914,944.39
  5. Step 5: Solve for x
    x = 3,524,914,944.39/98,691.67
  6. Step 6: Final answer
    x = 35,716.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.