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Finding the Fourth Proportional to 168,179.94, 252,315.27 and 55,878.30

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Solution

The fourth proportional to 168,179.94, 252,315.27 and 55,878.30 is: 83,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179.94 : 252,315.27 = 55,878.30 : x
  2. Step 2: Convert to fraction form
    168,179.94/252,315.27 = 55,878.30/x
  3. Step 3: Cross multiply
    168,179.94x = 252,315.27 × 55,878.30
  4. Step 4: Simplify right side
    168,179.94x = 14,098,948,351.64
  5. Step 5: Solve for x
    x = 14,098,948,351.64/168,179.94
  6. Step 6: Final answer
    x = 83,832.52

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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.