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Finding the Fourth Proportional to 101,301.38, 151,958.54 and 38,971.88

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Solution

The fourth proportional to 101,301.38, 151,958.54 and 38,971.88 is: 58,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,301.38 : 151,958.54 = 38,971.88 : x
  2. Step 2: Convert to fraction form
    101,301.38/151,958.54 = 38,971.88/x
  3. Step 3: Cross multiply
    101,301.38x = 151,958.54 × 38,971.88
  4. Step 4: Simplify right side
    101,301.38x = 5,922,109,226.06
  5. Step 5: Solve for x
    x = 5,922,109,226.06/101,301.38
  6. Step 6: Final answer
    x = 58,460.30

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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.