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Finding the Fourth Proportional to 154,414.60, 231,621.90 and 60,908.20

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Solution

The fourth proportional to 154,414.60, 231,621.90 and 60,908.20 is: 91,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,414.60 : 231,621.90 = 60,908.20 : x
  2. Step 2: Convert to fraction form
    154,414.60/231,621.90 = 60,908.20/x
  3. Step 3: Cross multiply
    154,414.60x = 231,621.90 × 60,908.20
  4. Step 4: Simplify right side
    154,414.60x = 14,107,673,009.58
  5. Step 5: Solve for x
    x = 14,107,673,009.58/154,414.60
  6. Step 6: Final answer
    x = 91,362.30

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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.