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Finding the Fourth Proportional to 362,205.46, 543,185.16 and 125,492.89

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Solution

The fourth proportional to 362,205.46, 543,185.16 and 125,492.89 is: 188,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,205.46 : 543,185.16 = 125,492.89 : x
  2. Step 2: Convert to fraction form
    362,205.46/543,185.16 = 125,492.89/x
  3. Step 3: Cross multiply
    362,205.46x = 543,185.16 × 125,492.89
  4. Step 4: Simplify right side
    362,205.46x = 68,165,875,533.51
  5. Step 5: Solve for x
    x = 68,165,875,533.51/362,205.46
  6. Step 6: Final answer
    x = 188,196.71

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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.