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Finding the Fourth Proportional to 167,535.52, 250,942.38 and 78,655.84

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Solution

The fourth proportional to 167,535.52, 250,942.38 and 78,655.84 is: 117,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,535.52 : 250,942.38 = 78,655.84 : x
  2. Step 2: Convert to fraction form
    167,535.52/250,942.38 = 78,655.84/x
  3. Step 3: Cross multiply
    167,535.52x = 250,942.38 × 78,655.84
  4. Step 4: Simplify right side
    167,535.52x = 19,738,083,690.50
  5. Step 5: Solve for x
    x = 19,738,083,690.50/167,535.52
  6. Step 6: Final answer
    x = 117,814.32

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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.