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Finding the Fourth Proportional to 150,052.91, 224,698.46 and 90,043.65

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Solution

The fourth proportional to 150,052.91, 224,698.46 and 90,043.65 is: 134,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,052.91 : 224,698.46 = 90,043.65 : x
  2. Step 2: Convert to fraction form
    150,052.91/224,698.46 = 90,043.65/x
  3. Step 3: Cross multiply
    150,052.91x = 224,698.46 × 90,043.65
  4. Step 4: Simplify right side
    150,052.91x = 20,232,669,037.56
  5. Step 5: Solve for x
    x = 20,232,669,037.56/150,052.91
  6. Step 6: Final answer
    x = 134,836.90

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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.