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Finding the Fourth Proportional to 75,398.76, 104,046.24 and 43,134.02

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Solution

The fourth proportional to 75,398.76, 104,046.24 and 43,134.02 is: 59,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,398.76 : 104,046.24 = 43,134.02 : x
  2. Step 2: Convert to fraction form
    75,398.76/104,046.24 = 43,134.02/x
  3. Step 3: Cross multiply
    75,398.76x = 104,046.24 × 43,134.02
  4. Step 4: Simplify right side
    75,398.76x = 4,487,932,597.08
  5. Step 5: Solve for x
    x = 4,487,932,597.08/75,398.76
  6. Step 6: Final answer
    x = 59,522.63

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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.