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Finding the Fourth Proportional to 202,976.30, 304,464.45 and 194,681.90

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Solution

The fourth proportional to 202,976.30, 304,464.45 and 194,681.90 is: 292,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,976.30 : 304,464.45 = 194,681.90 : x
  2. Step 2: Convert to fraction form
    202,976.30/304,464.45 = 194,681.90/x
  3. Step 3: Cross multiply
    202,976.30x = 304,464.45 × 194,681.90
  4. Step 4: Simplify right side
    202,976.30x = 59,273,717,608.46
  5. Step 5: Solve for x
    x = 59,273,717,608.46/202,976.30
  6. Step 6: Final answer
    x = 292,022.85

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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.