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Finding the Fourth Proportional to 202,351.40, 303,527.10 and 185,292.80

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Solution

The fourth proportional to 202,351.40, 303,527.10 and 185,292.80 is: 277,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,351.40 : 303,527.10 = 185,292.80 : x
  2. Step 2: Convert to fraction form
    202,351.40/303,527.10 = 185,292.80/x
  3. Step 3: Cross multiply
    202,351.40x = 303,527.10 × 185,292.80
  4. Step 4: Simplify right side
    202,351.40x = 56,241,386,234.88
  5. Step 5: Solve for x
    x = 56,241,386,234.88/202,351.40
  6. Step 6: Final answer
    x = 277,939.20

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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.