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Finding the Fourth Proportional to 99,653.10, 149,500.94 and 36,472.94

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Solution

The fourth proportional to 99,653.10, 149,500.94 and 36,472.94 is: 54,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653.10 : 149,500.94 = 36,472.94 : x
  2. Step 2: Convert to fraction form
    99,653.10/149,500.94 = 36,472.94/x
  3. Step 3: Cross multiply
    99,653.10x = 149,500.94 × 36,472.94
  4. Step 4: Simplify right side
    99,653.10x = 5,452,737,884.69
  5. Step 5: Solve for x
    x = 5,452,737,884.69/99,653.10
  6. Step 6: Final answer
    x = 54,717.19

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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.