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Finding the Fourth Proportional to 168,190.68, 252,285.32 and 55,879.32

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Solution

The fourth proportional to 168,190.68, 252,285.32 and 55,879.32 is: 83,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,190.68 : 252,285.32 = 55,879.32 : x
  2. Step 2: Convert to fraction form
    168,190.68/252,285.32 = 55,879.32/x
  3. Step 3: Cross multiply
    168,190.68x = 252,285.32 × 55,879.32
  4. Step 4: Simplify right side
    168,190.68x = 14,097,532,127.58
  5. Step 5: Solve for x
    x = 14,097,532,127.58/168,190.68
  6. Step 6: Final answer
    x = 83,818.75

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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.