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Finding the Fourth Proportional to 353,034.78, 529,785.45 and 166,060.86

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Solution

The fourth proportional to 353,034.78, 529,785.45 and 166,060.86 is: 249,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,034.78 : 529,785.45 = 166,060.86 : x
  2. Step 2: Convert to fraction form
    353,034.78/529,785.45 = 166,060.86/x
  3. Step 3: Cross multiply
    353,034.78x = 529,785.45 × 166,060.86
  4. Step 4: Simplify right side
    353,034.78x = 87,976,627,442.49
  5. Step 5: Solve for x
    x = 87,976,627,442.49/353,034.78
  6. Step 6: Final answer
    x = 249,201.02

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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.