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Finding the Fourth Proportional to 68,387.01, 102,628.70 and 24,017.22

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Solution

The fourth proportional to 68,387.01, 102,628.70 and 24,017.22 is: 36,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,387.01 : 102,628.70 = 24,017.22 : x
  2. Step 2: Convert to fraction form
    68,387.01/102,628.70 = 24,017.22/x
  3. Step 3: Cross multiply
    68,387.01x = 102,628.70 × 24,017.22
  4. Step 4: Simplify right side
    68,387.01x = 2,464,856,066.21
  5. Step 5: Solve for x
    x = 2,464,856,066.21/68,387.01
  6. Step 6: Final answer
    x = 36,042.75

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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.