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Finding the Fourth Proportional to 362,673.64, 543,699.42 and 125,868.52

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Solution

The fourth proportional to 362,673.64, 543,699.42 and 125,868.52 is: 188,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,673.64 : 543,699.42 = 125,868.52 : x
  2. Step 2: Convert to fraction form
    362,673.64/543,699.42 = 125,868.52/x
  3. Step 3: Cross multiply
    362,673.64x = 543,699.42 × 125,868.52
  4. Step 4: Simplify right side
    362,673.64x = 68,434,641,320.26
  5. Step 5: Solve for x
    x = 68,434,641,320.26/362,673.64
  6. Step 6: Final answer
    x = 188,694.83

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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.