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Finding the Fourth Proportional to 202,661.90, 304,025.52 and 62,420.48

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Solution

The fourth proportional to 202,661.90, 304,025.52 and 62,420.48 is: 93,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,661.90 : 304,025.52 = 62,420.48 : x
  2. Step 2: Convert to fraction form
    202,661.90/304,025.52 = 62,420.48/x
  3. Step 3: Cross multiply
    202,661.90x = 304,025.52 × 62,420.48
  4. Step 4: Simplify right side
    202,661.90x = 18,977,418,890.65
  5. Step 5: Solve for x
    x = 18,977,418,890.65/202,661.90
  6. Step 6: Final answer
    x = 93,640.78

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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.