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Finding the Fourth Proportional to 61,178.94, 91,794.33 and 33,444.54

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Solution

The fourth proportional to 61,178.94, 91,794.33 and 33,444.54 is: 50,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178.94 : 91,794.33 = 33,444.54 : x
  2. Step 2: Convert to fraction form
    61,178.94/91,794.33 = 33,444.54/x
  3. Step 3: Cross multiply
    61,178.94x = 91,794.33 × 33,444.54
  4. Step 4: Simplify right side
    61,178.94x = 3,070,019,141.46
  5. Step 5: Solve for x
    x = 3,070,019,141.46/61,178.94
  6. Step 6: Final answer
    x = 50,180.98

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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.