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Finding the Fourth Proportional to 73,298.55, 109,947.83 and 54,709.05

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Solution

The fourth proportional to 73,298.55, 109,947.83 and 54,709.05 is: 82,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,298.55 : 109,947.83 = 54,709.05 : x
  2. Step 2: Convert to fraction form
    73,298.55/109,947.83 = 54,709.05/x
  3. Step 3: Cross multiply
    73,298.55x = 109,947.83 × 54,709.05
  4. Step 4: Simplify right side
    73,298.55x = 6,015,141,055.32
  5. Step 5: Solve for x
    x = 6,015,141,055.32/73,298.55
  6. Step 6: Final answer
    x = 82,063.58

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Similar ratio
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1.5x scale

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.