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Finding the Fourth Proportional to 134,101.68, 200,984.82 and 67,558.56

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Solution

The fourth proportional to 134,101.68, 200,984.82 and 67,558.56 is: 101,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,101.68 : 200,984.82 = 67,558.56 : x
  2. Step 2: Convert to fraction form
    134,101.68/200,984.82 = 67,558.56/x
  3. Step 3: Cross multiply
    134,101.68x = 200,984.82 × 67,558.56
  4. Step 4: Simplify right side
    134,101.68x = 13,578,245,021.06
  5. Step 5: Solve for x
    x = 13,578,245,021.06/134,101.68
  6. Step 6: Final answer
    x = 101,253.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.