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Finding the Fourth Proportional to 183,912.66, 253,791.37 and 107,438.84

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Solution

The fourth proportional to 183,912.66, 253,791.37 and 107,438.84 is: 148,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,912.66 : 253,791.37 = 107,438.84 : x
  2. Step 2: Convert to fraction form
    183,912.66/253,791.37 = 107,438.84/x
  3. Step 3: Cross multiply
    183,912.66x = 253,791.37 × 107,438.84
  4. Step 4: Simplify right side
    183,912.66x = 27,267,050,394.81
  5. Step 5: Solve for x
    x = 27,267,050,394.81/183,912.66
  6. Step 6: Final answer
    x = 148,260.87

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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.