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Finding the Fourth Proportional to 92,106.81, 127,335.69 and 91,266.03

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Solution

The fourth proportional to 92,106.81, 127,335.69 and 91,266.03 is: 126,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,106.81 : 127,335.69 = 91,266.03 : x
  2. Step 2: Convert to fraction form
    92,106.81/127,335.69 = 91,266.03/x
  3. Step 3: Cross multiply
    92,106.81x = 127,335.69 × 91,266.03
  4. Step 4: Simplify right side
    92,106.81x = 11,621,422,903.61
  5. Step 5: Solve for x
    x = 11,621,422,903.61/92,106.81
  6. Step 6: Final answer
    x = 126,173.33

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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.