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Finding the Fourth Proportional to 248,307.80, 372,170.10 and 114,906.27

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Solution

The fourth proportional to 248,307.80, 372,170.10 and 114,906.27 is: 172,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,307.80 : 372,170.10 = 114,906.27 : x
  2. Step 2: Convert to fraction form
    248,307.80/372,170.10 = 114,906.27/x
  3. Step 3: Cross multiply
    248,307.80x = 372,170.10 × 114,906.27
  4. Step 4: Simplify right side
    248,307.80x = 42,764,677,996.53
  5. Step 5: Solve for x
    x = 42,764,677,996.53/248,307.80
  6. Step 6: Final answer
    x = 172,224.46

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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.