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Finding the Fourth Proportional to 68,010.88, 102,078.24 and 34,753.84

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Solution

The fourth proportional to 68,010.88, 102,078.24 and 34,753.84 is: 52,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.88 : 102,078.24 = 34,753.84 : x
  2. Step 2: Convert to fraction form
    68,010.88/102,078.24 = 34,753.84/x
  3. Step 3: Cross multiply
    68,010.88x = 102,078.24 × 34,753.84
  4. Step 4: Simplify right side
    68,010.88x = 3,547,610,820.44
  5. Step 5: Solve for x
    x = 3,547,610,820.44/68,010.88
  6. Step 6: Final answer
    x = 52,162.40

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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.