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Finding the Fourth Proportional to 202,777.93, 279,854.56 and 116,739.97

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Solution

The fourth proportional to 202,777.93, 279,854.56 and 116,739.97 is: 161,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,777.93 : 279,854.56 = 116,739.97 : x
  2. Step 2: Convert to fraction form
    202,777.93/279,854.56 = 116,739.97/x
  3. Step 3: Cross multiply
    202,777.93x = 279,854.56 × 116,739.97
  4. Step 4: Simplify right side
    202,777.93x = 32,670,212,385.05
  5. Step 5: Solve for x
    x = 32,670,212,385.05/202,777.93
  6. Step 6: Final answer
    x = 161,113.25

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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.