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Finding the Fourth Proportional to 103,550.92, 155,358.98 and 36,989.57

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Solution

The fourth proportional to 103,550.92, 155,358.98 and 36,989.57 is: 55,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,550.92 : 155,358.98 = 36,989.57 : x
  2. Step 2: Convert to fraction form
    103,550.92/155,358.98 = 36,989.57/x
  3. Step 3: Cross multiply
    103,550.92x = 155,358.98 × 36,989.57
  4. Step 4: Simplify right side
    103,550.92x = 5,746,661,865.84
  5. Step 5: Solve for x
    x = 5,746,661,865.84/103,550.92
  6. Step 6: Final answer
    x = 55,496.00

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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.