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Finding the Fourth Proportional to 92,656.64, 127,956.89 and 79,149.17

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Solution

The fourth proportional to 92,656.64, 127,956.89 and 79,149.17 is: 109,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,656.64 : 127,956.89 = 79,149.17 : x
  2. Step 2: Convert to fraction form
    92,656.64/127,956.89 = 79,149.17/x
  3. Step 3: Cross multiply
    92,656.64x = 127,956.89 × 79,149.17
  4. Step 4: Simplify right side
    92,656.64x = 10,127,682,157.05
  5. Step 5: Solve for x
    x = 10,127,682,157.05/92,656.64
  6. Step 6: Final answer
    x = 109,303.36

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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.