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Finding the Fourth Proportional to 202,552.01, 279,517.88 and 111,911.93

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Solution

The fourth proportional to 202,552.01, 279,517.88 and 111,911.93 is: 154,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,552.01 : 279,517.88 = 111,911.93 : x
  2. Step 2: Convert to fraction form
    202,552.01/279,517.88 = 111,911.93/x
  3. Step 3: Cross multiply
    202,552.01x = 279,517.88 × 111,911.93
  4. Step 4: Simplify right side
    202,552.01x = 31,281,384,860.75
  5. Step 5: Solve for x
    x = 31,281,384,860.75/202,552.01
  6. Step 6: Final answer
    x = 154,436.31

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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.