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Finding the Fourth Proportional to 202,250.99, 279,106.16 and 111,606.93

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Solution

The fourth proportional to 202,250.99, 279,106.16 and 111,606.93 is: 154,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,250.99 : 279,106.16 = 111,606.93 : x
  2. Step 2: Convert to fraction form
    202,250.99/279,106.16 = 111,606.93/x
  3. Step 3: Cross multiply
    202,250.99x = 279,106.16 × 111,606.93
  4. Step 4: Simplify right side
    202,250.99x = 31,150,181,103.65
  5. Step 5: Solve for x
    x = 31,150,181,103.65/202,250.99
  6. Step 6: Final answer
    x = 154,017.44

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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.