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Finding the Fourth Proportional to 355,305.80, 532,083.90 and 168,098.60

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Solution

The fourth proportional to 355,305.80, 532,083.90 and 168,098.60 is: 251,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,305.80 : 532,083.90 = 168,098.60 : x
  2. Step 2: Convert to fraction form
    355,305.80/532,083.90 = 168,098.60/x
  3. Step 3: Cross multiply
    355,305.80x = 532,083.90 × 168,098.60
  4. Step 4: Simplify right side
    355,305.80x = 89,442,558,672.54
  5. Step 5: Solve for x
    x = 89,442,558,672.54/355,305.80
  6. Step 6: Final answer
    x = 251,734.02

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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.