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Finding the Fourth Proportional to 202,290.70, 303,035.10 and 177,358.90

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Solution

The fourth proportional to 202,290.70, 303,035.10 and 177,358.90 is: 265,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,290.70 : 303,035.10 = 177,358.90 : x
  2. Step 2: Convert to fraction form
    202,290.70/303,035.10 = 177,358.90/x
  3. Step 3: Cross multiply
    202,290.70x = 303,035.10 × 177,358.90
  4. Step 4: Simplify right side
    202,290.70x = 53,745,971,997.39
  5. Step 5: Solve for x
    x = 53,745,971,997.39/202,290.70
  6. Step 6: Final answer
    x = 265,686.82

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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.