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Finding the Fourth Proportional to 61,179.76, 91,621.95 and 34,804.54

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Solution

The fourth proportional to 61,179.76, 91,621.95 and 34,804.54 is: 52,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,179.76 : 91,621.95 = 34,804.54 : x
  2. Step 2: Convert to fraction form
    61,179.76/91,621.95 = 34,804.54/x
  3. Step 3: Cross multiply
    61,179.76x = 91,621.95 × 34,804.54
  4. Step 4: Simplify right side
    61,179.76x = 3,188,859,823.65
  5. Step 5: Solve for x
    x = 3,188,859,823.65/61,179.76
  6. Step 6: Final answer
    x = 52,122.79

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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.