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Finding the Fourth Proportional to 100,313.39, 150,478.28 and 41,149.57

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Solution

The fourth proportional to 100,313.39, 150,478.28 and 41,149.57 is: 61,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,313.39 : 150,478.28 = 41,149.57 : x
  2. Step 2: Convert to fraction form
    100,313.39/150,478.28 = 41,149.57/x
  3. Step 3: Cross multiply
    100,313.39x = 150,478.28 × 41,149.57
  4. Step 4: Simplify right side
    100,313.39x = 6,192,116,486.59
  5. Step 5: Solve for x
    x = 6,192,116,486.59/100,313.39
  6. Step 6: Final answer
    x = 61,727.72

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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.