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Finding the Fourth Proportional to 92,499.64, 127,649.73 and 50,058.48

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Solution

The fourth proportional to 92,499.64, 127,649.73 and 50,058.48 is: 69,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,499.64 : 127,649.73 = 50,058.48 : x
  2. Step 2: Convert to fraction form
    92,499.64/127,649.73 = 50,058.48/x
  3. Step 3: Cross multiply
    92,499.64x = 127,649.73 × 50,058.48
  4. Step 4: Simplify right side
    92,499.64x = 6,389,951,456.21
  5. Step 5: Solve for x
    x = 6,389,951,456.21/92,499.64
  6. Step 6: Final answer
    x = 69,080.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.