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Finding the Fourth Proportional to 273,136,067.70, 409,704,101.55 and 88,920,902.40

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Solution

The fourth proportional to 273,136,067.70, 409,704,101.55 and 88,920,902.40 is: 133,381,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,136,067.70 : 409,704,101.55 = 88,920,902.40 : x
  2. Step 2: Convert to fraction form
    273,136,067.70/409,704,101.55 = 88,920,902.40/x
  3. Step 3: Cross multiply
    273,136,067.70x = 409,704,101.55 × 88,920,902.40
  4. Step 4: Simplify right side
    273,136,067.70x = 36,431,258,426,807,240
  5. Step 5: Solve for x
    x = 36,431,258,426,807,240/273,136,067.70
  6. Step 6: Final answer
    x = 133,381,353.60

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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.