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Finding the Fourth Proportional to 251,528.52, 377,251.76 and 73,994.02

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Solution

The fourth proportional to 251,528.52, 377,251.76 and 73,994.02 is: 110,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,528.52 : 377,251.76 = 73,994.02 : x
  2. Step 2: Convert to fraction form
    251,528.52/377,251.76 = 73,994.02/x
  3. Step 3: Cross multiply
    251,528.52x = 377,251.76 × 73,994.02
  4. Step 4: Simplify right side
    251,528.52x = 27,914,374,274.48
  5. Step 5: Solve for x
    x = 27,914,374,274.48/251,528.52
  6. Step 6: Final answer
    x = 110,978.96

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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.