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Finding the Fourth Proportional to 202,791.84, 279,670.96 and 168,912.76

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Solution

The fourth proportional to 202,791.84, 279,670.96 and 168,912.76 is: 232,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,791.84 : 279,670.96 = 168,912.76 : x
  2. Step 2: Convert to fraction form
    202,791.84/279,670.96 = 168,912.76/x
  3. Step 3: Cross multiply
    202,791.84x = 279,670.96 × 168,912.76
  4. Step 4: Simplify right side
    202,791.84x = 47,239,993,745.45
  5. Step 5: Solve for x
    x = 47,239,993,745.45/202,791.84
  6. Step 6: Final answer
    x = 232,948.20

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1.5x scale

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.