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Finding the Fourth Proportional to 201,629,654.40, 302,593,780.80 and 133,449,686.40

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Solution

The fourth proportional to 201,629,654.40, 302,593,780.80 and 133,449,686.40 is: 200,273,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,629,654.40 : 302,593,780.80 = 133,449,686.40 : x
  2. Step 2: Convert to fraction form
    201,629,654.40/302,593,780.80 = 133,449,686.40/x
  3. Step 3: Cross multiply
    201,629,654.40x = 302,593,780.80 × 133,449,686.40
  4. Step 4: Simplify right side
    201,629,654.40x = 40,381,045,154,350,344
  5. Step 5: Solve for x
    x = 40,381,045,154,350,344/201,629,654.40
  6. Step 6: Final answer
    x = 200,273,344.09

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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.