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Finding the Fourth Proportional to 202,195.84, 279,028.33 and 111,552.53

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Solution

The fourth proportional to 202,195.84, 279,028.33 and 111,552.53 is: 153,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,195.84 : 279,028.33 = 111,552.53 : x
  2. Step 2: Convert to fraction form
    202,195.84/279,028.33 = 111,552.53/x
  3. Step 3: Cross multiply
    202,195.84x = 279,028.33 × 111,552.53
  4. Step 4: Simplify right side
    202,195.84x = 31,126,316,571.86
  5. Step 5: Solve for x
    x = 31,126,316,571.86/202,195.84
  6. Step 6: Final answer
    x = 153,941.43

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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.