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Finding the Fourth Proportional to 202,750.36, 304,132.89 and 69,629.83

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Solution

The fourth proportional to 202,750.36, 304,132.89 and 69,629.83 is: 104,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,750.36 : 304,132.89 = 69,629.83 : x
  2. Step 2: Convert to fraction form
    202,750.36/304,132.89 = 69,629.83/x
  3. Step 3: Cross multiply
    202,750.36x = 304,132.89 × 69,629.83
  4. Step 4: Simplify right side
    202,750.36x = 21,176,721,428.11
  5. Step 5: Solve for x
    x = 21,176,721,428.11/202,750.36
  6. Step 6: Final answer
    x = 104,447.27

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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.