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Finding the Fourth Proportional to 239,238.43, 358,845.71 and 89,467.71

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Solution

The fourth proportional to 239,238.43, 358,845.71 and 89,467.71 is: 134,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,238.43 : 358,845.71 = 89,467.71 : x
  2. Step 2: Convert to fraction form
    239,238.43/358,845.71 = 89,467.71/x
  3. Step 3: Cross multiply
    239,238.43x = 358,845.71 × 89,467.71
  4. Step 4: Simplify right side
    239,238.43x = 32,105,103,917.02
  5. Step 5: Solve for x
    x = 32,105,103,917.02/239,238.43
  6. Step 6: Final answer
    x = 134,197.10

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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.