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Finding the Fourth Proportional to 135,800.33, 187,478.69 and 92,844.41

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Solution

The fourth proportional to 135,800.33, 187,478.69 and 92,844.41 is: 128,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,800.33 : 187,478.69 = 92,844.41 : x
  2. Step 2: Convert to fraction form
    135,800.33/187,478.69 = 92,844.41/x
  3. Step 3: Cross multiply
    135,800.33x = 187,478.69 × 92,844.41
  4. Step 4: Simplify right side
    135,800.33x = 17,406,346,959.01
  5. Step 5: Solve for x
    x = 17,406,346,959.01/135,800.33
  6. Step 6: Final answer
    x = 128,176.03

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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.