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Finding the Fourth Proportional to 178,138.48, 267,220.68 and 59,808.82

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Solution

The fourth proportional to 178,138.48, 267,220.68 and 59,808.82 is: 89,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,138.48 : 267,220.68 = 59,808.82 : x
  2. Step 2: Convert to fraction form
    178,138.48/267,220.68 = 59,808.82/x
  3. Step 3: Cross multiply
    178,138.48x = 267,220.68 × 59,808.82
  4. Step 4: Simplify right side
    178,138.48x = 15,982,153,550.40
  5. Step 5: Solve for x
    x = 15,982,153,550.40/178,138.48
  6. Step 6: Final answer
    x = 89,717.58

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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.