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Finding the Fourth Proportional to 150,616.68, 225,926.64 and 45,436.56

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Solution

The fourth proportional to 150,616.68, 225,926.64 and 45,436.56 is: 68,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,616.68 : 225,926.64 = 45,436.56 : x
  2. Step 2: Convert to fraction form
    150,616.68/225,926.64 = 45,436.56/x
  3. Step 3: Cross multiply
    150,616.68x = 225,926.64 × 45,436.56
  4. Step 4: Simplify right side
    150,616.68x = 10,265,329,333.96
  5. Step 5: Solve for x
    x = 10,265,329,333.96/150,616.68
  6. Step 6: Final answer
    x = 68,155.33

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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.