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Finding the Fourth Proportional to 274,472,299.80, 411,731,700.26 and 87,753,161.66

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Solution

The fourth proportional to 274,472,299.80, 411,731,700.26 and 87,753,161.66 is: 131,637,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,472,299.80 : 411,731,700.26 = 87,753,161.66 : x
  2. Step 2: Convert to fraction form
    274,472,299.80/411,731,700.26 = 87,753,161.66/x
  3. Step 3: Cross multiply
    274,472,299.80x = 411,731,700.26 × 87,753,161.66
  4. Step 4: Simplify right side
    274,472,299.80x = 36,130,758,450,965,016
  5. Step 5: Solve for x
    x = 36,130,758,450,965,016/274,472,299.80
  6. Step 6: Final answer
    x = 131,637,176.05

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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.