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Finding the Fourth Proportional to 92,082.36, 127,037.67 and 51,786.88

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Solution

The fourth proportional to 92,082.36, 127,037.67 and 51,786.88 is: 71,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,082.36 : 127,037.67 = 51,786.88 : x
  2. Step 2: Convert to fraction form
    92,082.36/127,037.67 = 51,786.88/x
  3. Step 3: Cross multiply
    92,082.36x = 127,037.67 × 51,786.88
  4. Step 4: Simplify right side
    92,082.36x = 6,578,884,571.77
  5. Step 5: Solve for x
    x = 6,578,884,571.77/92,082.36
  6. Step 6: Final answer
    x = 71,445.66

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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.