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Finding the Fourth Proportional to 362,214.79, 543,322.18 and 125,557.49

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Solution

The fourth proportional to 362,214.79, 543,322.18 and 125,557.49 is: 188,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,214.79 : 543,322.18 = 125,557.49 : x
  2. Step 2: Convert to fraction form
    362,214.79/543,322.18 = 125,557.49/x
  3. Step 3: Cross multiply
    362,214.79x = 543,322.18 × 125,557.49
  4. Step 4: Simplify right side
    362,214.79x = 68,218,170,697.38
  5. Step 5: Solve for x
    x = 68,218,170,697.38/362,214.79
  6. Step 6: Final answer
    x = 188,336.24

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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.