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Finding the Fourth Proportional to 251,921.22, 377,750.61 and 94,019.82

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Solution

The fourth proportional to 251,921.22, 377,750.61 and 94,019.82 is: 140,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,921.22 : 377,750.61 = 94,019.82 : x
  2. Step 2: Convert to fraction form
    251,921.22/377,750.61 = 94,019.82/x
  3. Step 3: Cross multiply
    251,921.22x = 377,750.61 × 94,019.82
  4. Step 4: Simplify right side
    251,921.22x = 35,516,044,357.09
  5. Step 5: Solve for x
    x = 35,516,044,357.09/251,921.22
  6. Step 6: Final answer
    x = 140,980.76

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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.