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Finding the Fourth Proportional to 199,757.79, 275,633.01 and 118,074.69

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Solution

The fourth proportional to 199,757.79, 275,633.01 and 118,074.69 is: 162,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,757.79 : 275,633.01 = 118,074.69 : x
  2. Step 2: Convert to fraction form
    199,757.79/275,633.01 = 118,074.69/x
  3. Step 3: Cross multiply
    199,757.79x = 275,633.01 × 118,074.69
  4. Step 4: Simplify right side
    199,757.79x = 32,545,282,209.52
  5. Step 5: Solve for x
    x = 32,545,282,209.52/199,757.79
  6. Step 6: Final answer
    x = 162,923.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.