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Finding the Fourth Proportional to 182,138.40, 273,207.60 and 168,141.60

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Solution

The fourth proportional to 182,138.40, 273,207.60 and 168,141.60 is: 252,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,138.40 : 273,207.60 = 168,141.60 : x
  2. Step 2: Convert to fraction form
    182,138.40/273,207.60 = 168,141.60/x
  3. Step 3: Cross multiply
    182,138.40x = 273,207.60 × 168,141.60
  4. Step 4: Simplify right side
    182,138.40x = 45,937,562,996.16
  5. Step 5: Solve for x
    x = 45,937,562,996.16/182,138.40
  6. Step 6: Final answer
    x = 252,212.40

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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.