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Finding the Fourth Proportional to 239,238.38, 358,845.65 and 89,467.67

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Solution

The fourth proportional to 239,238.38, 358,845.65 and 89,467.67 is: 134,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,238.38 : 358,845.65 = 89,467.67 : x
  2. Step 2: Convert to fraction form
    239,238.38/358,845.65 = 89,467.67/x
  3. Step 3: Cross multiply
    239,238.38x = 358,845.65 × 89,467.67
  4. Step 4: Simplify right side
    239,238.38x = 32,105,081,953.57
  5. Step 5: Solve for x
    x = 32,105,081,953.57/239,238.38
  6. Step 6: Final answer
    x = 134,197.04

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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.