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Finding the Fourth Proportional to 355,599.60, 532,654.20 and 166,221.60

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Solution

The fourth proportional to 355,599.60, 532,654.20 and 166,221.60 is: 248,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,599.60 : 532,654.20 = 166,221.60 : x
  2. Step 2: Convert to fraction form
    355,599.60/532,654.20 = 166,221.60/x
  3. Step 3: Cross multiply
    355,599.60x = 532,654.20 × 166,221.60
  4. Step 4: Simplify right side
    355,599.60x = 88,538,633,370.72
  5. Step 5: Solve for x
    x = 88,538,633,370.72/355,599.60
  6. Step 6: Final answer
    x = 248,984.06

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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.