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Finding the Fourth Proportional to 254,915.70, 382,665.15 and 149,793.90

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Solution

The fourth proportional to 254,915.70, 382,665.15 and 149,793.90 is: 224,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,915.70 : 382,665.15 = 149,793.90 : x
  2. Step 2: Convert to fraction form
    254,915.70/382,665.15 = 149,793.90/x
  3. Step 3: Cross multiply
    254,915.70x = 382,665.15 × 149,793.90
  4. Step 4: Simplify right side
    254,915.70x = 57,320,905,212.59
  5. Step 5: Solve for x
    x = 57,320,905,212.59/254,915.70
  6. Step 6: Final answer
    x = 224,862.20

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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.