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Finding the Fourth Proportional to 150,561.45, 225,929.66 and 67,455.45

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Solution

The fourth proportional to 150,561.45, 225,929.66 and 67,455.45 is: 101,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,561.45 : 225,929.66 = 67,455.45 : x
  2. Step 2: Convert to fraction form
    150,561.45/225,929.66 = 67,455.45/x
  3. Step 3: Cross multiply
    150,561.45x = 225,929.66 × 67,455.45
  4. Step 4: Simplify right side
    150,561.45x = 15,240,186,883.65
  5. Step 5: Solve for x
    x = 15,240,186,883.65/150,561.45
  6. Step 6: Final answer
    x = 101,222.37

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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.