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Finding the Fourth Proportional to 202,984.02, 304,513.43 and 68,034.92

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Solution

The fourth proportional to 202,984.02, 304,513.43 and 68,034.92 is: 102,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,984.02 : 304,513.43 = 68,034.92 : x
  2. Step 2: Convert to fraction form
    202,984.02/304,513.43 = 68,034.92/x
  3. Step 3: Cross multiply
    202,984.02x = 304,513.43 × 68,034.92
  4. Step 4: Simplify right side
    202,984.02x = 20,717,544,986.23
  5. Step 5: Solve for x
    x = 20,717,544,986.23/202,984.02
  6. Step 6: Final answer
    x = 102,064.91

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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.