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Finding the Fourth Proportional to 251,107.79, 376,661.69 and 110,838.47

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Solution

The fourth proportional to 251,107.79, 376,661.69 and 110,838.47 is: 166,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,107.79 : 376,661.69 = 110,838.47 : x
  2. Step 2: Convert to fraction form
    251,107.79/376,661.69 = 110,838.47/x
  3. Step 3: Cross multiply
    251,107.79x = 376,661.69 × 110,838.47
  4. Step 4: Simplify right side
    251,107.79x = 41,748,604,873.02
  5. Step 5: Solve for x
    x = 41,748,604,873.02/251,107.79
  6. Step 6: Final answer
    x = 166,257.71

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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.