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Finding the Fourth Proportional to 168,880.01, 253,319.81 and 80,085.07

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Solution

The fourth proportional to 168,880.01, 253,319.81 and 80,085.07 is: 120,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,880.01 : 253,319.81 = 80,085.07 : x
  2. Step 2: Convert to fraction form
    168,880.01/253,319.81 = 80,085.07/x
  3. Step 3: Cross multiply
    168,880.01x = 253,319.81 × 80,085.07
  4. Step 4: Simplify right side
    168,880.01x = 20,287,134,716.24
  5. Step 5: Solve for x
    x = 20,287,134,716.24/168,880.01
  6. Step 6: Final answer
    x = 120,127.51

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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.