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Finding the Fourth Proportional to 168,977.88, 252,256.14 and 157,168.08

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Solution

The fourth proportional to 168,977.88, 252,256.14 and 157,168.08 is: 234,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,977.88 : 252,256.14 = 157,168.08 : x
  2. Step 2: Convert to fraction form
    168,977.88/252,256.14 = 157,168.08/x
  3. Step 3: Cross multiply
    168,977.88x = 252,256.14 × 157,168.08
  4. Step 4: Simplify right side
    168,977.88x = 39,646,613,192.01
  5. Step 5: Solve for x
    x = 39,646,613,192.01/168,977.88
  6. Step 6: Final answer
    x = 234,626.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.