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Finding the Fourth Proportional to 101,292.96, 151,553.92 and 61,164.24

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Solution

The fourth proportional to 101,292.96, 151,553.92 and 61,164.24 is: 91,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,292.96 : 151,553.92 = 61,164.24 : x
  2. Step 2: Convert to fraction form
    101,292.96/151,553.92 = 61,164.24/x
  3. Step 3: Cross multiply
    101,292.96x = 151,553.92 × 61,164.24
  4. Step 4: Simplify right side
    101,292.96x = 9,269,680,335.82
  5. Step 5: Solve for x
    x = 9,269,680,335.82/101,292.96
  6. Step 6: Final answer
    x = 91,513.57

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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.