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Finding the Fourth Proportional to 251,072.52, 376,608.24 and 157,643.88

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Solution

The fourth proportional to 251,072.52, 376,608.24 and 157,643.88 is: 236,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,072.52 : 376,608.24 = 157,643.88 : x
  2. Step 2: Convert to fraction form
    251,072.52/376,608.24 = 157,643.88/x
  3. Step 3: Cross multiply
    251,072.52x = 376,608.24 × 157,643.88
  4. Step 4: Simplify right side
    251,072.52x = 59,369,984,193.57
  5. Step 5: Solve for x
    x = 59,369,984,193.57/251,072.52
  6. Step 6: Final answer
    x = 236,465.48

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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.