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Finding the Fourth Proportional to 183,268.90, 252,910.69 and 111,648.88

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Solution

The fourth proportional to 183,268.90, 252,910.69 and 111,648.88 is: 154,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,268.90 : 252,910.69 = 111,648.88 : x
  2. Step 2: Convert to fraction form
    183,268.90/252,910.69 = 111,648.88/x
  3. Step 3: Cross multiply
    183,268.90x = 252,910.69 × 111,648.88
  4. Step 4: Simplify right side
    183,268.90x = 28,237,195,278.53
  5. Step 5: Solve for x
    x = 28,237,195,278.53/183,268.90
  6. Step 6: Final answer
    x = 154,075.22

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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.