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Finding the Fourth Proportional to 68,453.40, 102,695.40 and 24,081.60

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Solution

The fourth proportional to 68,453.40, 102,695.40 and 24,081.60 is: 36,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,453.40 : 102,695.40 = 24,081.60 : x
  2. Step 2: Convert to fraction form
    68,453.40/102,695.40 = 24,081.60/x
  3. Step 3: Cross multiply
    68,453.40x = 102,695.40 × 24,081.60
  4. Step 4: Simplify right side
    68,453.40x = 2,473,069,544.64
  5. Step 5: Solve for x
    x = 2,473,069,544.64/68,453.40
  6. Step 6: Final answer
    x = 36,127.78

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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.