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Finding the Fourth Proportional to 114,588.96, 171,951.48 and 61,997.28

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Solution

The fourth proportional to 114,588.96, 171,951.48 and 61,997.28 is: 93,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,588.96 : 171,951.48 = 61,997.28 : x
  2. Step 2: Convert to fraction form
    114,588.96/171,951.48 = 61,997.28/x
  3. Step 3: Cross multiply
    114,588.96x = 171,951.48 × 61,997.28
  4. Step 4: Simplify right side
    114,588.96x = 10,660,524,051.97
  5. Step 5: Solve for x
    x = 10,660,524,051.97/114,588.96
  6. Step 6: Final answer
    x = 93,032.73

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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.