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Finding the Fourth Proportional to 168,683.20, 252,992.40 and 50,358.40

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Solution

The fourth proportional to 168,683.20, 252,992.40 and 50,358.40 is: 75,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,683.20 : 252,992.40 = 50,358.40 : x
  2. Step 2: Convert to fraction form
    168,683.20/252,992.40 = 50,358.40/x
  3. Step 3: Cross multiply
    168,683.20x = 252,992.40 × 50,358.40
  4. Step 4: Simplify right side
    168,683.20x = 12,740,292,476.16
  5. Step 5: Solve for x
    x = 12,740,292,476.16/168,683.20
  6. Step 6: Final answer
    x = 75,527.93

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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.