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Finding the Fourth Proportional to 79,953.67, 119,972.19 and 32,603.74

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Solution

The fourth proportional to 79,953.67, 119,972.19 and 32,603.74 is: 48,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,953.67 : 119,972.19 = 32,603.74 : x
  2. Step 2: Convert to fraction form
    79,953.67/119,972.19 = 32,603.74/x
  3. Step 3: Cross multiply
    79,953.67x = 119,972.19 × 32,603.74
  4. Step 4: Simplify right side
    79,953.67x = 3,911,542,089.99
  5. Step 5: Solve for x
    x = 3,911,542,089.99/79,953.67
  6. Step 6: Final answer
    x = 48,922.61

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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.