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Finding the Fourth Proportional to 101,939.68, 152,908.08 and 49,353.76

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Solution

The fourth proportional to 101,939.68, 152,908.08 and 49,353.76 is: 74,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,939.68 : 152,908.08 = 49,353.76 : x
  2. Step 2: Convert to fraction form
    101,939.68/152,908.08 = 49,353.76/x
  3. Step 3: Cross multiply
    101,939.68x = 152,908.08 × 49,353.76
  4. Step 4: Simplify right side
    101,939.68x = 7,546,588,682.38
  5. Step 5: Solve for x
    x = 7,546,588,682.38/101,939.68
  6. Step 6: Final answer
    x = 74,029.94

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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.