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Finding the Fourth Proportional to 68,066.44, 101,881.22 and 36,397.40

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Solution

The fourth proportional to 68,066.44, 101,881.22 and 36,397.40 is: 54,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,066.44 : 101,881.22 = 36,397.40 : x
  2. Step 2: Convert to fraction form
    68,066.44/101,881.22 = 36,397.40/x
  3. Step 3: Cross multiply
    68,066.44x = 101,881.22 × 36,397.40
  4. Step 4: Simplify right side
    68,066.44x = 3,708,211,516.83
  5. Step 5: Solve for x
    x = 3,708,211,516.83/68,066.44
  6. Step 6: Final answer
    x = 54,479.29

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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.