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Finding the Fourth Proportional to 115,399.53, 173,109.02 and 36,512.01

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Solution

The fourth proportional to 115,399.53, 173,109.02 and 36,512.01 is: 54,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,399.53 : 173,109.02 = 36,512.01 : x
  2. Step 2: Convert to fraction form
    115,399.53/173,109.02 = 36,512.01/x
  3. Step 3: Cross multiply
    115,399.53x = 173,109.02 × 36,512.01
  4. Step 4: Simplify right side
    115,399.53x = 6,320,558,086.77
  5. Step 5: Solve for x
    x = 6,320,558,086.77/115,399.53
  6. Step 6: Final answer
    x = 54,771.09

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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.