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Finding the Fourth Proportional to 73,114.44, 109,712.64 and 39,836.82

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Solution

The fourth proportional to 73,114.44, 109,712.64 and 39,836.82 is: 59,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,114.44 : 109,712.64 = 39,836.82 : x
  2. Step 2: Convert to fraction form
    73,114.44/109,712.64 = 39,836.82/x
  3. Step 3: Cross multiply
    73,114.44x = 109,712.64 × 39,836.82
  4. Step 4: Simplify right side
    73,114.44x = 4,370,602,691.40
  5. Step 5: Solve for x
    x = 4,370,602,691.40/73,114.44
  6. Step 6: Final answer
    x = 59,777.56

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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.