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Finding the Fourth Proportional to 64,236.94, 88,685.87 and 41,919.82

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Solution

The fourth proportional to 64,236.94, 88,685.87 and 41,919.82 is: 57,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,236.94 : 88,685.87 = 41,919.82 : x
  2. Step 2: Convert to fraction form
    64,236.94/88,685.87 = 41,919.82/x
  3. Step 3: Cross multiply
    64,236.94x = 88,685.87 × 41,919.82
  4. Step 4: Simplify right side
    64,236.94x = 3,717,695,275.63
  5. Step 5: Solve for x
    x = 3,717,695,275.63/64,236.94
  6. Step 6: Final answer
    x = 57,874.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.