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Finding the Fourth Proportional to 68,859.76, 103,248.36 and 23,866.24

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Solution

The fourth proportional to 68,859.76, 103,248.36 and 23,866.24 is: 35,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,859.76 : 103,248.36 = 23,866.24 : x
  2. Step 2: Convert to fraction form
    68,859.76/103,248.36 = 23,866.24/x
  3. Step 3: Cross multiply
    68,859.76x = 103,248.36 × 23,866.24
  4. Step 4: Simplify right side
    68,859.76x = 2,464,150,139.37
  5. Step 5: Solve for x
    x = 2,464,150,139.37/68,859.76
  6. Step 6: Final answer
    x = 35,785.05

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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.