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Finding the Fourth Proportional to 202,744.68, 279,775.66 and 112,093.52

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Solution

The fourth proportional to 202,744.68, 279,775.66 and 112,093.52 is: 154,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,744.68 : 279,775.66 = 112,093.52 : x
  2. Step 2: Convert to fraction form
    202,744.68/279,775.66 = 112,093.52/x
  3. Step 3: Cross multiply
    202,744.68x = 279,775.66 × 112,093.52
  4. Step 4: Simplify right side
    202,744.68x = 31,361,038,539.72
  5. Step 5: Solve for x
    x = 31,361,038,539.72/202,744.68
  6. Step 6: Final answer
    x = 154,682.42

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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.