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Finding the Fourth Proportional to 67,932.44, 101,278.54 and 66,206.03

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Solution

The fourth proportional to 67,932.44, 101,278.54 and 66,206.03 is: 98,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,932.44 : 101,278.54 = 66,206.03 : x
  2. Step 2: Convert to fraction form
    67,932.44/101,278.54 = 66,206.03/x
  3. Step 3: Cross multiply
    67,932.44x = 101,278.54 × 66,206.03
  4. Step 4: Simplify right side
    67,932.44x = 6,705,249,261.55
  5. Step 5: Solve for x
    x = 6,705,249,261.55/67,932.44
  6. Step 6: Final answer
    x = 98,704.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.