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Finding the Fourth Proportional to 188,944.40, 283,408.40 and 70,616.76

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Solution

The fourth proportional to 188,944.40, 283,408.40 and 70,616.76 is: 105,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,944.40 : 283,408.40 = 70,616.76 : x
  2. Step 2: Convert to fraction form
    188,944.40/283,408.40 = 70,616.76/x
  3. Step 3: Cross multiply
    188,944.40x = 283,408.40 × 70,616.76
  4. Step 4: Simplify right side
    188,944.40x = 20,013,382,964.78
  5. Step 5: Solve for x
    x = 20,013,382,964.78/188,944.40
  6. Step 6: Final answer
    x = 105,922.08

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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.