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Finding the Fourth Proportional to 202,187.52, 303,619.65 and 194,141.79

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Solution

The fourth proportional to 202,187.52, 303,619.65 and 194,141.79 is: 291,537.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187.52 : 303,619.65 = 194,141.79 : x
  2. Step 2: Convert to fraction form
    202,187.52/303,619.65 = 194,141.79/x
  3. Step 3: Cross multiply
    202,187.52x = 303,619.65 × 194,141.79
  4. Step 4: Simplify right side
    202,187.52x = 58,945,262,330.17
  5. Step 5: Solve for x
    x = 58,945,262,330.17/202,187.52
  6. Step 6: Final answer
    x = 291,537.59

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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.