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Finding the Fourth Proportional to 362,017.53, 543,032.42 and 125,367.21

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Solution

The fourth proportional to 362,017.53, 543,032.42 and 125,367.21 is: 188,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,017.53 : 543,032.42 = 125,367.21 : x
  2. Step 2: Convert to fraction form
    362,017.53/543,032.42 = 125,367.21/x
  3. Step 3: Cross multiply
    362,017.53x = 543,032.42 × 125,367.21
  4. Step 4: Simplify right side
    362,017.53x = 68,078,458,808.11
  5. Step 5: Solve for x
    x = 68,078,458,808.11/362,017.53
  6. Step 6: Final answer
    x = 188,052.93

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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.