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Finding the Fourth Proportional to 73,957.62, 111,002.31 and 34,536.54

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Solution

The fourth proportional to 73,957.62, 111,002.31 and 34,536.54 is: 51,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,957.62 : 111,002.31 = 34,536.54 : x
  2. Step 2: Convert to fraction form
    73,957.62/111,002.31 = 34,536.54/x
  3. Step 3: Cross multiply
    73,957.62x = 111,002.31 × 34,536.54
  4. Step 4: Simplify right side
    73,957.62x = 3,833,635,719.41
  5. Step 5: Solve for x
    x = 3,833,635,719.41/73,957.62
  6. Step 6: Final answer
    x = 51,835.57

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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.