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Finding the Fourth Proportional to 373,958.10, 560,940.35 and 124,640.10

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Solution

The fourth proportional to 373,958.10, 560,940.35 and 124,640.10 is: 186,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,958.10 : 560,940.35 = 124,640.10 : x
  2. Step 2: Convert to fraction form
    373,958.10/560,940.35 = 124,640.10/x
  3. Step 3: Cross multiply
    373,958.10x = 560,940.35 × 124,640.10
  4. Step 4: Simplify right side
    373,958.10x = 69,915,661,318.04
  5. Step 5: Solve for x
    x = 69,915,661,318.04/373,958.10
  6. Step 6: Final answer
    x = 186,961.22

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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.