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Finding the Fourth Proportional to 202,545.30, 303,380.55 and 176,301.30

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Solution

The fourth proportional to 202,545.30, 303,380.55 and 176,301.30 is: 264,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,545.30 : 303,380.55 = 176,301.30 : x
  2. Step 2: Convert to fraction form
    202,545.30/303,380.55 = 176,301.30/x
  3. Step 3: Cross multiply
    202,545.30x = 303,380.55 × 176,301.30
  4. Step 4: Simplify right side
    202,545.30x = 53,486,385,359.72
  5. Step 5: Solve for x
    x = 53,486,385,359.72/202,545.30
  6. Step 6: Final answer
    x = 264,071.22

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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.