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Finding the Fourth Proportional to 178,993.92, 268,485.12 and 60,664.32

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Solution

The fourth proportional to 178,993.92, 268,485.12 and 60,664.32 is: 90,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,993.92 : 268,485.12 = 60,664.32 : x
  2. Step 2: Convert to fraction form
    178,993.92/268,485.12 = 60,664.32/x
  3. Step 3: Cross multiply
    178,993.92x = 268,485.12 × 60,664.32
  4. Step 4: Simplify right side
    178,993.92x = 16,287,467,234.92
  5. Step 5: Solve for x
    x = 16,287,467,234.92/178,993.92
  6. Step 6: Final answer
    x = 90,994.53

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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.