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Finding the Fourth Proportional to 73,107.48, 109,596.36 and 35,646.60

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Solution

The fourth proportional to 73,107.48, 109,596.36 and 35,646.60 is: 53,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,107.48 : 109,596.36 = 35,646.60 : x
  2. Step 2: Convert to fraction form
    73,107.48/109,596.36 = 35,646.60/x
  3. Step 3: Cross multiply
    73,107.48x = 109,596.36 × 35,646.60
  4. Step 4: Simplify right side
    73,107.48x = 3,906,737,606.38
  5. Step 5: Solve for x
    x = 3,906,737,606.38/73,107.48
  6. Step 6: Final answer
    x = 53,438.27

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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.