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Finding the Fourth Proportional to 79,178.54, 118,764.93 and 23,773.10

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Solution

The fourth proportional to 79,178.54, 118,764.93 and 23,773.10 is: 35,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178.54 : 118,764.93 = 23,773.10 : x
  2. Step 2: Convert to fraction form
    79,178.54/118,764.93 = 23,773.10/x
  3. Step 3: Cross multiply
    79,178.54x = 118,764.93 × 23,773.10
  4. Step 4: Simplify right side
    79,178.54x = 2,823,410,557.38
  5. Step 5: Solve for x
    x = 2,823,410,557.38/79,178.54
  6. Step 6: Final answer
    x = 35,658.79

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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.