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Finding the Fourth Proportional to 88,105.92, 121,585.02 and 47,821.17

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Solution

The fourth proportional to 88,105.92, 121,585.02 and 47,821.17 is: 65,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.92 : 121,585.02 = 47,821.17 : x
  2. Step 2: Convert to fraction form
    88,105.92/121,585.02 = 47,821.17/x
  3. Step 3: Cross multiply
    88,105.92x = 121,585.02 × 47,821.17
  4. Step 4: Simplify right side
    88,105.92x = 5,814,337,910.87
  5. Step 5: Solve for x
    x = 5,814,337,910.87/88,105.92
  6. Step 6: Final answer
    x = 65,992.59

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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.