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Finding the Fourth Proportional to 303,037.80, 418,195.12 and 167,077.12

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Solution

The fourth proportional to 303,037.80, 418,195.12 and 167,077.12 is: 230,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,037.80 : 418,195.12 = 167,077.12 : x
  2. Step 2: Convert to fraction form
    303,037.80/418,195.12 = 167,077.12/x
  3. Step 3: Cross multiply
    303,037.80x = 418,195.12 × 167,077.12
  4. Step 4: Simplify right side
    303,037.80x = 69,870,836,247.65
  5. Step 5: Solve for x
    x = 69,870,836,247.65/303,037.80
  6. Step 6: Final answer
    x = 230,568.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.