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Finding the Fourth Proportional to 73,533.40, 110,355.72 and 53,863.09

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Solution

The fourth proportional to 73,533.40, 110,355.72 and 53,863.09 is: 80,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,533.40 : 110,355.72 = 53,863.09 : x
  2. Step 2: Convert to fraction form
    73,533.40/110,355.72 = 53,863.09/x
  3. Step 3: Cross multiply
    73,533.40x = 110,355.72 × 53,863.09
  4. Step 4: Simplify right side
    73,533.40x = 5,944,100,078.37
  5. Step 5: Solve for x
    x = 5,944,100,078.37/73,533.40
  6. Step 6: Final answer
    x = 80,835.38

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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.