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Finding the Fourth Proportional to 88,717.44, 133,083.36 and 26,388

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Solution

The fourth proportional to 88,717.44, 133,083.36 and 26,388 is: 39,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.44 : 133,083.36 = 26,388 : x
  2. Step 2: Convert to fraction form
    88,717.44/133,083.36 = 26,388/x
  3. Step 3: Cross multiply
    88,717.44x = 133,083.36 × 26,388
  4. Step 4: Simplify right side
    88,717.44x = 3,511,803,703.68
  5. Step 5: Solve for x
    x = 3,511,803,703.68/88,717.44
  6. Step 6: Final answer
    x = 39,584.14

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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.