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Finding the Fourth Proportional to 92,198.07, 127,246.01 and 51,928.11

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Solution

The fourth proportional to 92,198.07, 127,246.01 and 51,928.11 is: 71,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,198.07 : 127,246.01 = 51,928.11 : x
  2. Step 2: Convert to fraction form
    92,198.07/127,246.01 = 51,928.11/x
  3. Step 3: Cross multiply
    92,198.07x = 127,246.01 × 51,928.11
  4. Step 4: Simplify right side
    92,198.07x = 6,607,644,544.70
  5. Step 5: Solve for x
    x = 6,607,644,544.70/92,198.07
  6. Step 6: Final answer
    x = 71,667.93

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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.