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Finding the Fourth Proportional to 150,561.56, 225,929.82 and 67,455.56

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Solution

The fourth proportional to 150,561.56, 225,929.82 and 67,455.56 is: 101,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,561.56 : 225,929.82 = 67,455.56 : x
  2. Step 2: Convert to fraction form
    150,561.56/225,929.82 = 67,455.56/x
  3. Step 3: Cross multiply
    150,561.56x = 225,929.82 × 67,455.56
  4. Step 4: Simplify right side
    150,561.56x = 15,240,223,346.58
  5. Step 5: Solve for x
    x = 15,240,223,346.58/150,561.56
  6. Step 6: Final answer
    x = 101,222.54

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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.