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Finding the Fourth Proportional to 67,788.78, 101,658.06 and 23,403.48

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Solution

The fourth proportional to 67,788.78, 101,658.06 and 23,403.48 is: 35,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,788.78 : 101,658.06 = 23,403.48 : x
  2. Step 2: Convert to fraction form
    67,788.78/101,658.06 = 23,403.48/x
  3. Step 3: Cross multiply
    67,788.78x = 101,658.06 × 23,403.48
  4. Step 4: Simplify right side
    67,788.78x = 2,379,152,374.05
  5. Step 5: Solve for x
    x = 2,379,152,374.05/67,788.78
  6. Step 6: Final answer
    x = 35,096.55

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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.