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Finding the Fourth Proportional to 202,264.90, 303,324.45 and 102,391.90

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Solution

The fourth proportional to 202,264.90, 303,324.45 and 102,391.90 is: 153,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,264.90 : 303,324.45 = 102,391.90 : x
  2. Step 2: Convert to fraction form
    202,264.90/303,324.45 = 102,391.90/x
  3. Step 3: Cross multiply
    202,264.90x = 303,324.45 × 102,391.90
  4. Step 4: Simplify right side
    202,264.90x = 31,057,966,751.96
  5. Step 5: Solve for x
    x = 31,057,966,751.96/202,264.90
  6. Step 6: Final answer
    x = 153,550.95

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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.