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Finding the Fourth Proportional to 67,104.81, 100,656.45 and 17,184.51

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Solution

The fourth proportional to 67,104.81, 100,656.45 and 17,184.51 is: 25,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,104.81 : 100,656.45 = 17,184.51 : x
  2. Step 2: Convert to fraction form
    67,104.81/100,656.45 = 17,184.51/x
  3. Step 3: Cross multiply
    67,104.81x = 100,656.45 × 17,184.51
  4. Step 4: Simplify right side
    67,104.81x = 1,729,731,771.59
  5. Step 5: Solve for x
    x = 1,729,731,771.59/67,104.81
  6. Step 6: Final answer
    x = 25,776.57

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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.