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Finding the Fourth Proportional to 131,955.76, 182,100.96 and 75,367.24

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Solution

The fourth proportional to 131,955.76, 182,100.96 and 75,367.24 is: 104,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,955.76 : 182,100.96 = 75,367.24 : x
  2. Step 2: Convert to fraction form
    131,955.76/182,100.96 = 75,367.24/x
  3. Step 3: Cross multiply
    131,955.76x = 182,100.96 × 75,367.24
  4. Step 4: Simplify right side
    131,955.76x = 13,724,446,756.55
  5. Step 5: Solve for x
    x = 13,724,446,756.55/131,955.76
  6. Step 6: Final answer
    x = 104,007.94

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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.