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Finding the Fourth Proportional to 114,558.96, 171,906.48 and 61,967.28

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Solution

The fourth proportional to 114,558.96, 171,906.48 and 61,967.28 is: 92,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,558.96 : 171,906.48 = 61,967.28 : x
  2. Step 2: Convert to fraction form
    114,558.96/171,906.48 = 61,967.28/x
  3. Step 3: Cross multiply
    114,558.96x = 171,906.48 × 61,967.28
  4. Step 4: Simplify right side
    114,558.96x = 10,652,576,979.97
  5. Step 5: Solve for x
    x = 10,652,576,979.97/114,558.96
  6. Step 6: Final answer
    x = 92,987.72

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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.