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Finding the Fourth Proportional to 127,591.94, 176,076.98 and 73,879.83

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Solution

The fourth proportional to 127,591.94, 176,076.98 and 73,879.83 is: 101,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,591.94 : 176,076.98 = 73,879.83 : x
  2. Step 2: Convert to fraction form
    127,591.94/176,076.98 = 73,879.83/x
  3. Step 3: Cross multiply
    127,591.94x = 176,076.98 × 73,879.83
  4. Step 4: Simplify right side
    127,591.94x = 13,008,537,349.31
  5. Step 5: Solve for x
    x = 13,008,537,349.31/127,591.94
  6. Step 6: Final answer
    x = 101,954.22

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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.