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Finding the Fourth Proportional to 127,887.75, 191,835.27 and 34,393.50

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Solution

The fourth proportional to 127,887.75, 191,835.27 and 34,393.50 is: 51,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,887.75 : 191,835.27 = 34,393.50 : x
  2. Step 2: Convert to fraction form
    127,887.75/191,835.27 = 34,393.50/x
  3. Step 3: Cross multiply
    127,887.75x = 191,835.27 × 34,393.50
  4. Step 4: Simplify right side
    127,887.75x = 6,597,886,358.75
  5. Step 5: Solve for x
    x = 6,597,886,358.75/127,887.75
  6. Step 6: Final answer
    x = 51,591.23

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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.