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Finding the Fourth Proportional to 127,079.82, 190,506.41 and 48,249.41

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Solution

The fourth proportional to 127,079.82, 190,506.41 and 48,249.41 is: 72,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,079.82 : 190,506.41 = 48,249.41 : x
  2. Step 2: Convert to fraction form
    127,079.82/190,506.41 = 48,249.41/x
  3. Step 3: Cross multiply
    127,079.82x = 190,506.41 × 48,249.41
  4. Step 4: Simplify right side
    127,079.82x = 9,191,821,883.72
  5. Step 5: Solve for x
    x = 9,191,821,883.72/127,079.82
  6. Step 6: Final answer
    x = 72,331.09

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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.