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Finding the Fourth Proportional to 193,290.84, 266,750.52 and 120,736.71

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Solution

The fourth proportional to 193,290.84, 266,750.52 and 120,736.71 is: 166,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,290.84 : 266,750.52 = 120,736.71 : x
  2. Step 2: Convert to fraction form
    193,290.84/266,750.52 = 120,736.71/x
  3. Step 3: Cross multiply
    193,290.84x = 266,750.52 × 120,736.71
  4. Step 4: Simplify right side
    193,290.84x = 32,206,579,722.83
  5. Step 5: Solve for x
    x = 32,206,579,722.83/193,290.84
  6. Step 6: Final answer
    x = 166,622.38

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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.