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Finding the Fourth Proportional to 373,915.52, 560,947.22 and 137,260.25

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Solution

The fourth proportional to 373,915.52, 560,947.22 and 137,260.25 is: 205,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,915.52 : 560,947.22 = 137,260.25 : x
  2. Step 2: Convert to fraction form
    373,915.52/560,947.22 = 137,260.25/x
  3. Step 3: Cross multiply
    373,915.52x = 560,947.22 × 137,260.25
  4. Step 4: Simplify right side
    373,915.52x = 76,995,754,967.70
  5. Step 5: Solve for x
    x = 76,995,754,967.70/373,915.52
  6. Step 6: Final answer
    x = 205,917.52

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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.