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Finding the Fourth Proportional to 150,007.80, 225,037.62 and 61,309.56

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Solution

The fourth proportional to 150,007.80, 225,037.62 and 61,309.56 is: 91,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,007.80 : 225,037.62 = 61,309.56 : x
  2. Step 2: Convert to fraction form
    150,007.80/225,037.62 = 61,309.56/x
  3. Step 3: Cross multiply
    150,007.80x = 225,037.62 × 61,309.56
  4. Step 4: Simplify right side
    150,007.80x = 13,796,957,465.65
  5. Step 5: Solve for x
    x = 13,796,957,465.65/150,007.80
  6. Step 6: Final answer
    x = 91,974.93

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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.