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Finding the Fourth Proportional to 73,154.43, 109,735.47 and 23,238.45

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Solution

The fourth proportional to 73,154.43, 109,735.47 and 23,238.45 is: 34,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,154.43 : 109,735.47 = 23,238.45 : x
  2. Step 2: Convert to fraction form
    73,154.43/109,735.47 = 23,238.45/x
  3. Step 3: Cross multiply
    73,154.43x = 109,735.47 × 23,238.45
  4. Step 4: Simplify right side
    73,154.43x = 2,550,082,232.82
  5. Step 5: Solve for x
    x = 2,550,082,232.82/73,154.43
  6. Step 6: Final answer
    x = 34,858.89

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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.