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Finding the Fourth Proportional to 104,480.12, 156,731.12 and 34,364.90

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Solution

The fourth proportional to 104,480.12, 156,731.12 and 34,364.90 is: 51,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,480.12 : 156,731.12 = 34,364.90 : x
  2. Step 2: Convert to fraction form
    104,480.12/156,731.12 = 34,364.90/x
  3. Step 3: Cross multiply
    104,480.12x = 156,731.12 × 34,364.90
  4. Step 4: Simplify right side
    104,480.12x = 5,386,048,310.21
  5. Step 5: Solve for x
    x = 5,386,048,310.21/104,480.12
  6. Step 6: Final answer
    x = 51,550.94

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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.