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Finding the Fourth Proportional to 107,553.78, 148,418.11 and 59,806.10

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Solution

The fourth proportional to 107,553.78, 148,418.11 and 59,806.10 is: 82,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,553.78 : 148,418.11 = 59,806.10 : x
  2. Step 2: Convert to fraction form
    107,553.78/148,418.11 = 59,806.10/x
  3. Step 3: Cross multiply
    107,553.78x = 148,418.11 × 59,806.10
  4. Step 4: Simplify right side
    107,553.78x = 8,876,307,287.35
  5. Step 5: Solve for x
    x = 8,876,307,287.35/107,553.78
  6. Step 6: Final answer
    x = 82,529.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.