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Finding the Fourth Proportional to 250,480.10, 375,626.66 and 100,669.65

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Solution

The fourth proportional to 250,480.10, 375,626.66 and 100,669.65 is: 150,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,480.10 : 375,626.66 = 100,669.65 : x
  2. Step 2: Convert to fraction form
    250,480.10/375,626.66 = 100,669.65/x
  3. Step 3: Cross multiply
    250,480.10x = 375,626.66 × 100,669.65
  4. Step 4: Simplify right side
    250,480.10x = 37,814,203,889.52
  5. Step 5: Solve for x
    x = 37,814,203,889.52/250,480.10
  6. Step 6: Final answer
    x = 150,966.90

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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.