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Finding the Fourth Proportional to 112,487.70, 168,733.55 and 33,602.90

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Solution

The fourth proportional to 112,487.70, 168,733.55 and 33,602.90 is: 50,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,487.70 : 168,733.55 = 33,602.90 : x
  2. Step 2: Convert to fraction form
    112,487.70/168,733.55 = 33,602.90/x
  3. Step 3: Cross multiply
    112,487.70x = 168,733.55 × 33,602.90
  4. Step 4: Simplify right side
    112,487.70x = 5,669,936,607.30
  5. Step 5: Solve for x
    x = 5,669,936,607.30/112,487.70
  6. Step 6: Final answer
    x = 50,404.95

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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.