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Finding the Fourth Proportional to 60,640.76, 90,974.76 and 23,199.80

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Solution

The fourth proportional to 60,640.76, 90,974.76 and 23,199.80 is: 34,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.76 : 90,974.76 = 23,199.80 : x
  2. Step 2: Convert to fraction form
    60,640.76/90,974.76 = 23,199.80/x
  3. Step 3: Cross multiply
    60,640.76x = 90,974.76 × 23,199.80
  4. Step 4: Simplify right side
    60,640.76x = 2,110,596,237.05
  5. Step 5: Solve for x
    x = 2,110,596,237.05/60,640.76
  6. Step 6: Final answer
    x = 34,804.91

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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.