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Finding the Fourth Proportional to 68,568.34, 102,863.95 and 23,587.88

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Solution

The fourth proportional to 68,568.34, 102,863.95 and 23,587.88 is: 35,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,568.34 : 102,863.95 = 23,587.88 : x
  2. Step 2: Convert to fraction form
    68,568.34/102,863.95 = 23,587.88/x
  3. Step 3: Cross multiply
    68,568.34x = 102,863.95 × 23,587.88
  4. Step 4: Simplify right side
    68,568.34x = 2,426,343,035.22
  5. Step 5: Solve for x
    x = 2,426,343,035.22/68,568.34
  6. Step 6: Final answer
    x = 35,385.76

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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.