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Finding the Fourth Proportional to 73,853.64, 110,838.60 and 27,119.88

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Solution

The fourth proportional to 73,853.64, 110,838.60 and 27,119.88 is: 40,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,853.64 : 110,838.60 = 27,119.88 : x
  2. Step 2: Convert to fraction form
    73,853.64/110,838.60 = 27,119.88/x
  3. Step 3: Cross multiply
    73,853.64x = 110,838.60 × 27,119.88
  4. Step 4: Simplify right side
    73,853.64x = 3,005,929,531.37
  5. Step 5: Solve for x
    x = 3,005,929,531.37/73,853.64
  6. Step 6: Final answer
    x = 40,701.17

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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.