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Finding the Fourth Proportional to 92,716.68, 127,901.64 and 58,667.88

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Solution

The fourth proportional to 92,716.68, 127,901.64 and 58,667.88 is: 80,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,716.68 : 127,901.64 = 58,667.88 : x
  2. Step 2: Convert to fraction form
    92,716.68/127,901.64 = 58,667.88/x
  3. Step 3: Cross multiply
    92,716.68x = 127,901.64 × 58,667.88
  4. Step 4: Simplify right side
    92,716.68x = 7,503,718,067.32
  5. Step 5: Solve for x
    x = 7,503,718,067.32/92,716.68
  6. Step 6: Final answer
    x = 80,931.70

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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.