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Finding the Fourth Proportional to 202,377.40, 303,566.10 and 163,011.40

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Solution

The fourth proportional to 202,377.40, 303,566.10 and 163,011.40 is: 244,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377.40 : 303,566.10 = 163,011.40 : x
  2. Step 2: Convert to fraction form
    202,377.40/303,566.10 = 163,011.40/x
  3. Step 3: Cross multiply
    202,377.40x = 303,566.10 × 163,011.40
  4. Step 4: Simplify right side
    202,377.40x = 49,484,734,953.54
  5. Step 5: Solve for x
    x = 49,484,734,953.54/202,377.40
  6. Step 6: Final answer
    x = 244,517.10

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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.