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Finding the Fourth Proportional to 168,778.32, 232,914.18 and 96,179.16

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Solution

The fourth proportional to 168,778.32, 232,914.18 and 96,179.16 is: 132,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,778.32 : 232,914.18 = 96,179.16 : x
  2. Step 2: Convert to fraction form
    168,778.32/232,914.18 = 96,179.16/x
  3. Step 3: Cross multiply
    168,778.32x = 232,914.18 × 96,179.16
  4. Step 4: Simplify right side
    168,778.32x = 22,401,490,184.49
  5. Step 5: Solve for x
    x = 22,401,490,184.49/168,778.32
  6. Step 6: Final answer
    x = 132,727.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.