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Finding the Fourth Proportional to 100,626.36, 150,873.30 and 56,318.52

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Solution

The fourth proportional to 100,626.36, 150,873.30 and 56,318.52 is: 84,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,626.36 : 150,873.30 = 56,318.52 : x
  2. Step 2: Convert to fraction form
    100,626.36/150,873.30 = 56,318.52/x
  3. Step 3: Cross multiply
    100,626.36x = 150,873.30 × 56,318.52
  4. Step 4: Simplify right side
    100,626.36x = 8,496,960,963.52
  5. Step 5: Solve for x
    x = 8,496,960,963.52/100,626.36
  6. Step 6: Final answer
    x = 84,440.71

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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.