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Finding the Fourth Proportional to 75,325.44, 103,932.36 and 43,487.40

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Solution

The fourth proportional to 75,325.44, 103,932.36 and 43,487.40 is: 60,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,325.44 : 103,932.36 = 43,487.40 : x
  2. Step 2: Convert to fraction form
    75,325.44/103,932.36 = 43,487.40/x
  3. Step 3: Cross multiply
    75,325.44x = 103,932.36 × 43,487.40
  4. Step 4: Simplify right side
    75,325.44x = 4,519,748,112.26
  5. Step 5: Solve for x
    x = 4,519,748,112.26/75,325.44
  6. Step 6: Final answer
    x = 60,002.94

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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.