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Finding the Fourth Proportional to 181,450.76, 250,380.16 and 100,867.96

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Solution

The fourth proportional to 181,450.76, 250,380.16 and 100,867.96 is: 139,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,450.76 : 250,380.16 = 100,867.96 : x
  2. Step 2: Convert to fraction form
    181,450.76/250,380.16 = 100,867.96/x
  3. Step 3: Cross multiply
    181,450.76x = 250,380.16 × 100,867.96
  4. Step 4: Simplify right side
    181,450.76x = 25,255,335,963.67
  5. Step 5: Solve for x
    x = 25,255,335,963.67/181,450.76
  6. Step 6: Final answer
    x = 139,185.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.