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Finding the Fourth Proportional to 183,933.20, 253,860.84 and 108,477.20

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Solution

The fourth proportional to 183,933.20, 253,860.84 and 108,477.20 is: 149,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,933.20 : 253,860.84 = 108,477.20 : x
  2. Step 2: Convert to fraction form
    183,933.20/253,860.84 = 108,477.20/x
  3. Step 3: Cross multiply
    183,933.20x = 253,860.84 × 108,477.20
  4. Step 4: Simplify right side
    183,933.20x = 27,538,113,112.85
  5. Step 5: Solve for x
    x = 27,538,113,112.85/183,933.20
  6. Step 6: Final answer
    x = 149,718.01

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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.