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Finding the Fourth Proportional to 195,622.40, 293,093.40 and 90,225.20

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Solution

The fourth proportional to 195,622.40, 293,093.40 and 90,225.20 is: 135,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,622.40 : 293,093.40 = 90,225.20 : x
  2. Step 2: Convert to fraction form
    195,622.40/293,093.40 = 90,225.20/x
  3. Step 3: Cross multiply
    195,622.40x = 293,093.40 × 90,225.20
  4. Step 4: Simplify right side
    195,622.40x = 26,444,410,633.68
  5. Step 5: Solve for x
    x = 26,444,410,633.68/195,622.40
  6. Step 6: Final answer
    x = 135,180.89

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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.