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Finding the Fourth Proportional to 288,522.54, 432,833.22 and 88,839

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Solution

The fourth proportional to 288,522.54, 432,833.22 and 88,839 is: 133,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,522.54 : 432,833.22 = 88,839 : x
  2. Step 2: Convert to fraction form
    288,522.54/432,833.22 = 88,839/x
  3. Step 3: Cross multiply
    288,522.54x = 432,833.22 × 88,839
  4. Step 4: Simplify right side
    288,522.54x = 38,452,470,431.58
  5. Step 5: Solve for x
    x = 38,452,470,431.58/288,522.54
  6. Step 6: Final answer
    x = 133,273.71

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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.