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Finding the Fourth Proportional to 362,205.21, 543,184.77 and 125,492.64

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Solution

The fourth proportional to 362,205.21, 543,184.77 and 125,492.64 is: 188,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,205.21 : 543,184.77 = 125,492.64 : x
  2. Step 2: Convert to fraction form
    362,205.21/543,184.77 = 125,492.64/x
  3. Step 3: Cross multiply
    362,205.21x = 543,184.77 × 125,492.64
  4. Step 4: Simplify right side
    362,205.21x = 68,165,690,795.09
  5. Step 5: Solve for x
    x = 68,165,690,795.09/362,205.21
  6. Step 6: Final answer
    x = 188,196.33

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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.