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Finding the Fourth Proportional to 250,705.98, 345,722.31 and 150,162.30

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Solution

The fourth proportional to 250,705.98, 345,722.31 and 150,162.30 is: 207,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,705.98 : 345,722.31 = 150,162.30 : x
  2. Step 2: Convert to fraction form
    250,705.98/345,722.31 = 150,162.30/x
  3. Step 3: Cross multiply
    250,705.98x = 345,722.31 × 150,162.30
  4. Step 4: Simplify right side
    250,705.98x = 51,914,457,230.91
  5. Step 5: Solve for x
    x = 51,914,457,230.91/250,705.98
  6. Step 6: Final answer
    x = 207,073.07

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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.