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Finding the Fourth Proportional to 126,697.68, 174,699.72 and 94,764.24

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Solution

The fourth proportional to 126,697.68, 174,699.72 and 94,764.24 is: 130,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,697.68 : 174,699.72 = 94,764.24 : x
  2. Step 2: Convert to fraction form
    126,697.68/174,699.72 = 94,764.24/x
  3. Step 3: Cross multiply
    126,697.68x = 174,699.72 × 94,764.24
  4. Step 4: Simplify right side
    126,697.68x = 16,555,286,194.01
  5. Step 5: Solve for x
    x = 16,555,286,194.01/126,697.68
  6. Step 6: Final answer
    x = 130,667.63

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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.