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Finding the Fourth Proportional to 67,674.80, 101,425.80 and 52,014.80

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Solution

The fourth proportional to 67,674.80, 101,425.80 and 52,014.80 is: 77,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,674.80 : 101,425.80 = 52,014.80 : x
  2. Step 2: Convert to fraction form
    67,674.80/101,425.80 = 52,014.80/x
  3. Step 3: Cross multiply
    67,674.80x = 101,425.80 × 52,014.80
  4. Step 4: Simplify right side
    67,674.80x = 5,275,642,701.84
  5. Step 5: Solve for x
    x = 5,275,642,701.84/67,674.80
  6. Step 6: Final answer
    x = 77,955.79

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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.