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Finding the Fourth Proportional to 260,640.68, 359,722.50 and 165,156.20

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Solution

The fourth proportional to 260,640.68, 359,722.50 and 165,156.20 is: 227,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,640.68 : 359,722.50 = 165,156.20 : x
  2. Step 2: Convert to fraction form
    260,640.68/359,722.50 = 165,156.20/x
  3. Step 3: Cross multiply
    260,640.68x = 359,722.50 × 165,156.20
  4. Step 4: Simplify right side
    260,640.68x = 59,410,401,154.50
  5. Step 5: Solve for x
    x = 59,410,401,154.50/260,640.68
  6. Step 6: Final answer
    x = 227,939.86

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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.