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Finding the Fourth Proportional to 73,253.64, 109,803.84 and 33,836.58

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Solution

The fourth proportional to 73,253.64, 109,803.84 and 33,836.58 is: 50,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.64 : 109,803.84 = 33,836.58 : x
  2. Step 2: Convert to fraction form
    73,253.64/109,803.84 = 33,836.58/x
  3. Step 3: Cross multiply
    73,253.64x = 109,803.84 × 33,836.58
  4. Step 4: Simplify right side
    73,253.64x = 3,715,386,416.47
  5. Step 5: Solve for x
    x = 3,715,386,416.47/73,253.64
  6. Step 6: Final answer
    x = 50,719.48

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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.