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Finding the Fourth Proportional to 92,597.11, 127,667.86 and 75,584.07

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Solution

The fourth proportional to 92,597.11, 127,667.86 and 75,584.07 is: 104,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,597.11 : 127,667.86 = 75,584.07 : x
  2. Step 2: Convert to fraction form
    92,597.11/127,667.86 = 75,584.07/x
  3. Step 3: Cross multiply
    92,597.11x = 127,667.86 × 75,584.07
  4. Step 4: Simplify right side
    92,597.11x = 9,649,656,278.03
  5. Step 5: Solve for x
    x = 9,649,656,278.03/92,597.11
  6. Step 6: Final answer
    x = 104,211.21

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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.