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Finding the Fourth Proportional to 202,849.20, 304,273.80 and 92,041.20

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Solution

The fourth proportional to 202,849.20, 304,273.80 and 92,041.20 is: 138,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,849.20 : 304,273.80 = 92,041.20 : x
  2. Step 2: Convert to fraction form
    202,849.20/304,273.80 = 92,041.20/x
  3. Step 3: Cross multiply
    202,849.20x = 304,273.80 × 92,041.20
  4. Step 4: Simplify right side
    202,849.20x = 28,005,725,680.56
  5. Step 5: Solve for x
    x = 28,005,725,680.56/202,849.20
  6. Step 6: Final answer
    x = 138,061.80

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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.