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Finding the Fourth Proportional to 92,496.75, 127,529.28 and 75,483.78

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Solution

The fourth proportional to 92,496.75, 127,529.28 and 75,483.78 is: 104,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,496.75 : 127,529.28 = 75,483.78 : x
  2. Step 2: Convert to fraction form
    92,496.75/127,529.28 = 75,483.78/x
  3. Step 3: Cross multiply
    92,496.75x = 127,529.28 × 75,483.78
  4. Step 4: Simplify right side
    92,496.75x = 9,626,392,115.08
  5. Step 5: Solve for x
    x = 9,626,392,115.08/92,496.75
  6. Step 6: Final answer
    x = 104,072.76

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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.