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Finding the Fourth Proportional to 154,912.78, 232,369.14 and 44,104.78

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Solution

The fourth proportional to 154,912.78, 232,369.14 and 44,104.78 is: 66,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,912.78 : 232,369.14 = 44,104.78 : x
  2. Step 2: Convert to fraction form
    154,912.78/232,369.14 = 44,104.78/x
  3. Step 3: Cross multiply
    154,912.78x = 232,369.14 × 44,104.78
  4. Step 4: Simplify right side
    154,912.78x = 10,248,589,798.49
  5. Step 5: Solve for x
    x = 10,248,589,798.49/154,912.78
  6. Step 6: Final answer
    x = 66,157.16

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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.