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Finding the Fourth Proportional to 164,422.20, 246,633.30 and 149,647.80

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Solution

The fourth proportional to 164,422.20, 246,633.30 and 149,647.80 is: 224,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,422.20 : 246,633.30 = 149,647.80 : x
  2. Step 2: Convert to fraction form
    164,422.20/246,633.30 = 149,647.80/x
  3. Step 3: Cross multiply
    164,422.20x = 246,633.30 × 149,647.80
  4. Step 4: Simplify right side
    164,422.20x = 36,908,130,751.74
  5. Step 5: Solve for x
    x = 36,908,130,751.74/164,422.20
  6. Step 6: Final answer
    x = 224,471.70

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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.