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Finding the Fourth Proportional to 202,937.95, 304,403.73 and 69,819.36

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Solution

The fourth proportional to 202,937.95, 304,403.73 and 69,819.36 is: 104,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,937.95 : 304,403.73 = 69,819.36 : x
  2. Step 2: Convert to fraction form
    202,937.95/304,403.73 = 69,819.36/x
  3. Step 3: Cross multiply
    202,937.95x = 304,403.73 × 69,819.36
  4. Step 4: Simplify right side
    202,937.95x = 21,253,273,610.21
  5. Step 5: Solve for x
    x = 21,253,273,610.21/202,937.95
  6. Step 6: Final answer
    x = 104,727.94

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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.