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Finding the Fourth Proportional to 202,603.80, 303,468.30 and 176,359.80

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Solution

The fourth proportional to 202,603.80, 303,468.30 and 176,359.80 is: 264,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,603.80 : 303,468.30 = 176,359.80 : x
  2. Step 2: Convert to fraction form
    202,603.80/303,468.30 = 176,359.80/x
  3. Step 3: Cross multiply
    202,603.80x = 303,468.30 × 176,359.80
  4. Step 4: Simplify right side
    202,603.80x = 53,519,608,694.34
  5. Step 5: Solve for x
    x = 53,519,608,694.34/202,603.80
  6. Step 6: Final answer
    x = 264,158.96

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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.