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Finding the Fourth Proportional to 202,525.38, 279,486.99 and 111,883.50

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Solution

The fourth proportional to 202,525.38, 279,486.99 and 111,883.50 is: 154,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,525.38 : 279,486.99 = 111,883.50 : x
  2. Step 2: Convert to fraction form
    202,525.38/279,486.99 = 111,883.50/x
  3. Step 3: Cross multiply
    202,525.38x = 279,486.99 × 111,883.50
  4. Step 4: Simplify right side
    202,525.38x = 31,269,982,645.67
  5. Step 5: Solve for x
    x = 31,269,982,645.67/202,525.38
  6. Step 6: Final answer
    x = 154,400.32

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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.