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Finding the Fourth Proportional to 252,801.50, 379,264.62 and 75,307.82

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Solution

The fourth proportional to 252,801.50, 379,264.62 and 75,307.82 is: 112,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,801.50 : 379,264.62 = 75,307.82 : x
  2. Step 2: Convert to fraction form
    252,801.50/379,264.62 = 75,307.82/x
  3. Step 3: Cross multiply
    252,801.50x = 379,264.62 × 75,307.82
  4. Step 4: Simplify right side
    252,801.50x = 28,561,591,735.33
  5. Step 5: Solve for x
    x = 28,561,591,735.33/252,801.50
  6. Step 6: Final answer
    x = 112,980.31

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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.