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Finding the Fourth Proportional to 92,571.48, 127,748.46 and 50,129.88

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Solution

The fourth proportional to 92,571.48, 127,748.46 and 50,129.88 is: 69,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,571.48 : 127,748.46 = 50,129.88 : x
  2. Step 2: Convert to fraction form
    92,571.48/127,748.46 = 50,129.88/x
  3. Step 3: Cross multiply
    92,571.48x = 127,748.46 × 50,129.88
  4. Step 4: Simplify right side
    92,571.48x = 6,404,014,969.98
  5. Step 5: Solve for x
    x = 6,404,014,969.98/92,571.48
  6. Step 6: Final answer
    x = 69,179.14

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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.