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Finding the Fourth Proportional to 68,346.85, 102,544.88 and 23,980.52

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Solution

The fourth proportional to 68,346.85, 102,544.88 and 23,980.52 is: 35,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,346.85 : 102,544.88 = 23,980.52 : x
  2. Step 2: Convert to fraction form
    68,346.85/102,544.88 = 23,980.52/x
  3. Step 3: Cross multiply
    68,346.85x = 102,544.88 × 23,980.52
  4. Step 4: Simplify right side
    68,346.85x = 2,459,079,092.96
  5. Step 5: Solve for x
    x = 2,459,079,092.96/68,346.85
  6. Step 6: Final answer
    x = 35,979.41

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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.