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Finding the Fourth Proportional to 104,570.64, 156,920.37 and 41,380.11

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Solution

The fourth proportional to 104,570.64, 156,920.37 and 41,380.11 is: 62,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,570.64 : 156,920.37 = 41,380.11 : x
  2. Step 2: Convert to fraction form
    104,570.64/156,920.37 = 41,380.11/x
  3. Step 3: Cross multiply
    104,570.64x = 156,920.37 × 41,380.11
  4. Step 4: Simplify right side
    104,570.64x = 6,493,382,171.84
  5. Step 5: Solve for x
    x = 6,493,382,171.84/104,570.64
  6. Step 6: Final answer
    x = 62,095.65

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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.