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Finding the Fourth Proportional to 67,751.74, 101,690.64 and 34,496.69

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Solution

The fourth proportional to 67,751.74, 101,690.64 and 34,496.69 is: 51,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,751.74 : 101,690.64 = 34,496.69 : x
  2. Step 2: Convert to fraction form
    67,751.74/101,690.64 = 34,496.69/x
  3. Step 3: Cross multiply
    67,751.74x = 101,690.64 × 34,496.69
  4. Step 4: Simplify right side
    67,751.74x = 3,507,989,975.53
  5. Step 5: Solve for x
    x = 3,507,989,975.53/67,751.74
  6. Step 6: Final answer
    x = 51,777.12

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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.