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Finding the Fourth Proportional to 362,051.57, 543,081.35 and 109,334.21

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Solution

The fourth proportional to 362,051.57, 543,081.35 and 109,334.21 is: 164,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,051.57 : 543,081.35 = 109,334.21 : x
  2. Step 2: Convert to fraction form
    362,051.57/543,081.35 = 109,334.21/x
  3. Step 3: Cross multiply
    362,051.57x = 543,081.35 × 109,334.21
  4. Step 4: Simplify right side
    362,051.57x = 59,377,367,105.91
  5. Step 5: Solve for x
    x = 59,377,367,105.91/362,051.57
  6. Step 6: Final answer
    x = 164,002.51

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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.