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Finding the Fourth Proportional to 202,290.20, 303,763.35 and 146,521.70

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Solution

The fourth proportional to 202,290.20, 303,763.35 and 146,521.70 is: 220,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,290.20 : 303,763.35 = 146,521.70 : x
  2. Step 2: Convert to fraction form
    202,290.20/303,763.35 = 146,521.70/x
  3. Step 3: Cross multiply
    202,290.20x = 303,763.35 × 146,521.70
  4. Step 4: Simplify right side
    202,290.20x = 44,507,922,439.70
  5. Step 5: Solve for x
    x = 44,507,922,439.70/202,290.20
  6. Step 6: Final answer
    x = 220,020.16

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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.