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Finding the Fourth Proportional to 68,442.36, 102,666.42 and 23,494.68

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Solution

The fourth proportional to 68,442.36, 102,666.42 and 23,494.68 is: 35,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,442.36 : 102,666.42 = 23,494.68 : x
  2. Step 2: Convert to fraction form
    68,442.36/102,666.42 = 23,494.68/x
  3. Step 3: Cross multiply
    68,442.36x = 102,666.42 × 23,494.68
  4. Step 4: Simplify right side
    68,442.36x = 2,412,114,684.65
  5. Step 5: Solve for x
    x = 2,412,114,684.65/68,442.36
  6. Step 6: Final answer
    x = 35,243.01

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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.