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Finding the Fourth Proportional to 252,493.42, 379,244.55 and 157,891.90

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Solution

The fourth proportional to 252,493.42, 379,244.55 and 157,891.90 is: 237,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,493.42 : 379,244.55 = 157,891.90 : x
  2. Step 2: Convert to fraction form
    252,493.42/379,244.55 = 157,891.90/x
  3. Step 3: Cross multiply
    252,493.42x = 379,244.55 × 157,891.90
  4. Step 4: Simplify right side
    252,493.42x = 59,879,642,564.15
  5. Step 5: Solve for x
    x = 59,879,642,564.15/252,493.42
  6. Step 6: Final answer
    x = 237,153.28

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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.