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Finding the Fourth Proportional to 168,344.60, 252,516.90 and 43,685.60

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Solution

The fourth proportional to 168,344.60, 252,516.90 and 43,685.60 is: 65,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,344.60 : 252,516.90 = 43,685.60 : x
  2. Step 2: Convert to fraction form
    168,344.60/252,516.90 = 43,685.60/x
  3. Step 3: Cross multiply
    168,344.60x = 252,516.90 × 43,685.60
  4. Step 4: Simplify right side
    168,344.60x = 11,031,352,286.64
  5. Step 5: Solve for x
    x = 11,031,352,286.64/168,344.60
  6. Step 6: Final answer
    x = 65,528.40

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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.