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Finding the Fourth Proportional to 168,814.80, 253,222.20 and 44,155.80

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Solution

The fourth proportional to 168,814.80, 253,222.20 and 44,155.80 is: 66,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,814.80 : 253,222.20 = 44,155.80 : x
  2. Step 2: Convert to fraction form
    168,814.80/253,222.20 = 44,155.80/x
  3. Step 3: Cross multiply
    168,814.80x = 253,222.20 × 44,155.80
  4. Step 4: Simplify right side
    168,814.80x = 11,181,228,818.76
  5. Step 5: Solve for x
    x = 11,181,228,818.76/168,814.80
  6. Step 6: Final answer
    x = 66,233.70

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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.