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Finding the Fourth Proportional to 234,847, 324,088.88 and 134,247.16

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Solution

The fourth proportional to 234,847, 324,088.88 and 134,247.16 is: 185,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,847 : 324,088.88 = 134,247.16 : x
  2. Step 2: Convert to fraction form
    234,847/324,088.88 = 134,247.16/x
  3. Step 3: Cross multiply
    234,847x = 324,088.88 × 134,247.16
  4. Step 4: Simplify right side
    234,847x = 43,508,011,727.58
  5. Step 5: Solve for x
    x = 43,508,011,727.58/234,847
  6. Step 6: Final answer
    x = 185,261.09

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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.