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Finding the Fourth Proportional to 202,709.22, 304,100.88 and 67,760.52

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Solution

The fourth proportional to 202,709.22, 304,100.88 and 67,760.52 is: 101,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,709.22 : 304,100.88 = 67,760.52 : x
  2. Step 2: Convert to fraction form
    202,709.22/304,100.88 = 67,760.52/x
  3. Step 3: Cross multiply
    202,709.22x = 304,100.88 × 67,760.52
  4. Step 4: Simplify right side
    202,709.22x = 20,606,033,761.26
  5. Step 5: Solve for x
    x = 20,606,033,761.26/202,709.22
  6. Step 6: Final answer
    x = 101,653.16

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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.