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Finding the Fourth Proportional to 168,740.40, 253,110.60 and 160,964.40

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Solution

The fourth proportional to 168,740.40, 253,110.60 and 160,964.40 is: 241,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,740.40 : 253,110.60 = 160,964.40 : x
  2. Step 2: Convert to fraction form
    168,740.40/253,110.60 = 160,964.40/x
  3. Step 3: Cross multiply
    168,740.40x = 253,110.60 × 160,964.40
  4. Step 4: Simplify right side
    168,740.40x = 40,741,795,862.64
  5. Step 5: Solve for x
    x = 40,741,795,862.64/168,740.40
  6. Step 6: Final answer
    x = 241,446.60

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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.