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Finding the Fourth Proportional to 174,615.20, 262,311.60 and 167,530.40

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Solution

The fourth proportional to 174,615.20, 262,311.60 and 167,530.40 is: 251,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,615.20 : 262,311.60 = 167,530.40 : x
  2. Step 2: Convert to fraction form
    174,615.20/262,311.60 = 167,530.40/x
  3. Step 3: Cross multiply
    174,615.20x = 262,311.60 × 167,530.40
  4. Step 4: Simplify right side
    174,615.20x = 43,945,167,272.64
  5. Step 5: Solve for x
    x = 43,945,167,272.64/174,615.20
  6. Step 6: Final answer
    x = 251,668.62

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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.