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Finding the Fourth Proportional to 355,654.47, 533,481.10 and 166,051.29

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Solution

The fourth proportional to 355,654.47, 533,481.10 and 166,051.29 is: 249,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,654.47 : 533,481.10 = 166,051.29 : x
  2. Step 2: Convert to fraction form
    355,654.47/533,481.10 = 166,051.29/x
  3. Step 3: Cross multiply
    355,654.47x = 533,481.10 × 166,051.29
  4. Step 4: Simplify right side
    355,654.47x = 88,585,224,845.62
  5. Step 5: Solve for x
    x = 88,585,224,845.62/355,654.47
  6. Step 6: Final answer
    x = 249,076.65

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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.