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Finding the Fourth Proportional to 239,238.53, 358,845.86 and 89,467.80

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Solution

The fourth proportional to 239,238.53, 358,845.86 and 89,467.80 is: 134,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,238.53 : 358,845.86 = 89,467.80 : x
  2. Step 2: Convert to fraction form
    239,238.53/358,845.86 = 89,467.80/x
  3. Step 3: Cross multiply
    239,238.53x = 358,845.86 × 89,467.80
  4. Step 4: Simplify right side
    239,238.53x = 32,105,149,185.97
  5. Step 5: Solve for x
    x = 32,105,149,185.97/239,238.53
  6. Step 6: Final answer
    x = 134,197.24

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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.