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Finding the Fourth Proportional to 197,624.92, 296,393.02 and 90,906.39

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Solution

The fourth proportional to 197,624.92, 296,393.02 and 90,906.39 is: 136,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,624.92 : 296,393.02 = 90,906.39 : x
  2. Step 2: Convert to fraction form
    197,624.92/296,393.02 = 90,906.39/x
  3. Step 3: Cross multiply
    197,624.92x = 296,393.02 × 90,906.39
  4. Step 4: Simplify right side
    197,624.92x = 26,944,018,422.14
  5. Step 5: Solve for x
    x = 26,944,018,422.14/197,624.92
  6. Step 6: Final answer
    x = 136,339.17

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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.