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Finding the Fourth Proportional to 73,369.36, 101,249.64 and 39,835.12

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Solution

The fourth proportional to 73,369.36, 101,249.64 and 39,835.12 is: 54,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,369.36 : 101,249.64 = 39,835.12 : x
  2. Step 2: Convert to fraction form
    73,369.36/101,249.64 = 39,835.12/x
  3. Step 3: Cross multiply
    73,369.36x = 101,249.64 × 39,835.12
  4. Step 4: Simplify right side
    73,369.36x = 4,033,291,559.36
  5. Step 5: Solve for x
    x = 4,033,291,559.36/73,369.36
  6. Step 6: Final answer
    x = 54,972.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.