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Finding the Fourth Proportional to 101,292.48, 151,938.83 and 26,412.56

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Solution

The fourth proportional to 101,292.48, 151,938.83 and 26,412.56 is: 39,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,292.48 : 151,938.83 = 26,412.56 : x
  2. Step 2: Convert to fraction form
    101,292.48/151,938.83 = 26,412.56/x
  3. Step 3: Cross multiply
    101,292.48x = 151,938.83 × 26,412.56
  4. Step 4: Simplify right side
    101,292.48x = 4,013,093,463.70
  5. Step 5: Solve for x
    x = 4,013,093,463.70/101,292.48
  6. Step 6: Final answer
    x = 39,618.87

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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.