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Finding the Fourth Proportional to 68,504.40, 102,776.04 and 41,516.82

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Solution

The fourth proportional to 68,504.40, 102,776.04 and 41,516.82 is: 62,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,504.40 : 102,776.04 = 41,516.82 : x
  2. Step 2: Convert to fraction form
    68,504.40/102,776.04 = 41,516.82/x
  3. Step 3: Cross multiply
    68,504.40x = 102,776.04 × 41,516.82
  4. Step 4: Simplify right side
    68,504.40x = 4,266,934,352.99
  5. Step 5: Solve for x
    x = 4,266,934,352.99/68,504.40
  6. Step 6: Final answer
    x = 62,287.01

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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.