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Finding the Fourth Proportional to 75,656.44, 104,402.51 and 43,367.90

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Solution

The fourth proportional to 75,656.44, 104,402.51 and 43,367.90 is: 59,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,656.44 : 104,402.51 = 43,367.90 : x
  2. Step 2: Convert to fraction form
    75,656.44/104,402.51 = 43,367.90/x
  3. Step 3: Cross multiply
    75,656.44x = 104,402.51 × 43,367.90
  4. Step 4: Simplify right side
    75,656.44x = 4,527,717,689.72
  5. Step 5: Solve for x
    x = 4,527,717,689.72/75,656.44
  6. Step 6: Final answer
    x = 59,845.77

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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.