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Finding the Fourth Proportional to 251,920.47, 377,749.49 and 94,019.07

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Solution

The fourth proportional to 251,920.47, 377,749.49 and 94,019.07 is: 140,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,920.47 : 377,749.49 = 94,019.07 : x
  2. Step 2: Convert to fraction form
    251,920.47/377,749.49 = 94,019.07/x
  3. Step 3: Cross multiply
    251,920.47x = 377,749.49 × 94,019.07
  4. Step 4: Simplify right side
    251,920.47x = 35,515,655,272.68
  5. Step 5: Solve for x
    x = 35,515,655,272.68/251,920.47
  6. Step 6: Final answer
    x = 140,979.63

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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.