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Finding the Fourth Proportional to 178,414.40, 267,394.80 and 73,114.40

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Solution

The fourth proportional to 178,414.40, 267,394.80 and 73,114.40 is: 109,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,414.40 : 267,394.80 = 73,114.40 : x
  2. Step 2: Convert to fraction form
    178,414.40/267,394.80 = 73,114.40/x
  3. Step 3: Cross multiply
    178,414.40x = 267,394.80 × 73,114.40
  4. Step 4: Simplify right side
    178,414.40x = 19,550,410,365.12
  5. Step 5: Solve for x
    x = 19,550,410,365.12/178,414.40
  6. Step 6: Final answer
    x = 109,578.66

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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.