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Finding the Fourth Proportional to 73,322, 101,184.36 and 39,788

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Solution

The fourth proportional to 73,322, 101,184.36 and 39,788 is: 54,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,322 : 101,184.36 = 39,788 : x
  2. Step 2: Convert to fraction form
    73,322/101,184.36 = 39,788/x
  3. Step 3: Cross multiply
    73,322x = 101,184.36 × 39,788
  4. Step 4: Simplify right side
    73,322x = 4,025,923,315.68
  5. Step 5: Solve for x
    x = 4,025,923,315.68/73,322
  6. Step 6: Final answer
    x = 54,907.44

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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.