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Finding the Fourth Proportional to 101,179.13, 151,776.18 and 38,849.63

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Solution

The fourth proportional to 101,179.13, 151,776.18 and 38,849.63 is: 58,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,179.13 : 151,776.18 = 38,849.63 : x
  2. Step 2: Convert to fraction form
    101,179.13/151,776.18 = 38,849.63/x
  3. Step 3: Cross multiply
    101,179.13x = 151,776.18 × 38,849.63
  4. Step 4: Simplify right side
    101,179.13x = 5,896,447,676.93
  5. Step 5: Solve for x
    x = 5,896,447,676.93/101,179.13
  6. Step 6: Final answer
    x = 58,277.31

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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.