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Finding the Fourth Proportional to 73,159.84, 109,656.80 and 33,635.36

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Solution

The fourth proportional to 73,159.84, 109,656.80 and 33,635.36 is: 50,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159.84 : 109,656.80 = 33,635.36 : x
  2. Step 2: Convert to fraction form
    73,159.84/109,656.80 = 33,635.36/x
  3. Step 3: Cross multiply
    73,159.84x = 109,656.80 × 33,635.36
  4. Step 4: Simplify right side
    73,159.84x = 3,688,345,944.45
  5. Step 5: Solve for x
    x = 3,688,345,944.45/73,159.84
  6. Step 6: Final answer
    x = 50,414.90

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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.