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Finding the Fourth Proportional to 168,803.70, 253,205.55 and 162,898.80

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Solution

The fourth proportional to 168,803.70, 253,205.55 and 162,898.80 is: 244,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,803.70 : 253,205.55 = 162,898.80 : x
  2. Step 2: Convert to fraction form
    168,803.70/253,205.55 = 162,898.80/x
  3. Step 3: Cross multiply
    168,803.70x = 253,205.55 × 162,898.80
  4. Step 4: Simplify right side
    168,803.70x = 41,246,880,248.34
  5. Step 5: Solve for x
    x = 41,246,880,248.34/168,803.70
  6. Step 6: Final answer
    x = 244,348.20

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1.5x scale

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.