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Finding the Fourth Proportional to 126,808.83, 174,995.91 and 73,093.48

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Solution

The fourth proportional to 126,808.83, 174,995.91 and 73,093.48 is: 100,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,808.83 : 174,995.91 = 73,093.48 : x
  2. Step 2: Convert to fraction form
    126,808.83/174,995.91 = 73,093.48/x
  3. Step 3: Cross multiply
    126,808.83x = 174,995.91 × 73,093.48
  4. Step 4: Simplify right side
    126,808.83x = 12,791,059,610.18
  5. Step 5: Solve for x
    x = 12,791,059,610.18/126,808.83
  6. Step 6: Final answer
    x = 100,868.84

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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.