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Finding the Fourth Proportional to 363,674.61, 545,258.39 and 161,160.44

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Solution

The fourth proportional to 363,674.61, 545,258.39 and 161,160.44 is: 241,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,674.61 : 545,258.39 = 161,160.44 : x
  2. Step 2: Convert to fraction form
    363,674.61/545,258.39 = 161,160.44/x
  3. Step 3: Cross multiply
    363,674.61x = 545,258.39 × 161,160.44
  4. Step 4: Simplify right side
    363,674.61x = 87,874,078,514.00
  5. Step 5: Solve for x
    x = 87,874,078,514.00/363,674.61
  6. Step 6: Final answer
    x = 241,628.30

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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.