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Finding the Fourth Proportional to 178,126.88, 267,107.22 and 103,268.48

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Solution

The fourth proportional to 178,126.88, 267,107.22 and 103,268.48 is: 154,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,126.88 : 267,107.22 = 103,268.48 : x
  2. Step 2: Convert to fraction form
    178,126.88/267,107.22 = 103,268.48/x
  3. Step 3: Cross multiply
    178,126.88x = 267,107.22 × 103,268.48
  4. Step 4: Simplify right side
    178,126.88x = 27,583,756,606.43
  5. Step 5: Solve for x
    x = 27,583,756,606.43/178,126.88
  6. Step 6: Final answer
    x = 154,854.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.