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Finding the Fourth Proportional to 73,544.40, 110,203.20 and 54,736.20

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Solution

The fourth proportional to 73,544.40, 110,203.20 and 54,736.20 is: 82,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,544.40 : 110,203.20 = 54,736.20 : x
  2. Step 2: Convert to fraction form
    73,544.40/110,203.20 = 54,736.20/x
  3. Step 3: Cross multiply
    73,544.40x = 110,203.20 × 54,736.20
  4. Step 4: Simplify right side
    73,544.40x = 6,032,104,395.84
  5. Step 5: Solve for x
    x = 6,032,104,395.84/73,544.40
  6. Step 6: Final answer
    x = 82,019.90

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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.