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Finding the Fourth Proportional to 168,144.80, 252,154.31 and 55,804.07

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Solution

The fourth proportional to 168,144.80, 252,154.31 and 55,804.07 is: 83,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,144.80 : 252,154.31 = 55,804.07 : x
  2. Step 2: Convert to fraction form
    168,144.80/252,154.31 = 55,804.07/x
  3. Step 3: Cross multiply
    168,144.80x = 252,154.31 × 55,804.07
  4. Step 4: Simplify right side
    168,144.80x = 14,071,235,226.25
  5. Step 5: Solve for x
    x = 14,071,235,226.25/168,144.80
  6. Step 6: Final answer
    x = 83,685.23

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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.