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Finding the Fourth Proportional to 395,213.48, 592,836.62 and 114,730.73

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Solution

The fourth proportional to 395,213.48, 592,836.62 and 114,730.73 is: 172,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,213.48 : 592,836.62 = 114,730.73 : x
  2. Step 2: Convert to fraction form
    395,213.48/592,836.62 = 114,730.73/x
  3. Step 3: Cross multiply
    395,213.48x = 592,836.62 × 114,730.73
  4. Step 4: Simplify right side
    395,213.48x = 68,016,574,645.50
  5. Step 5: Solve for x
    x = 68,016,574,645.50/395,213.48
  6. Step 6: Final answer
    x = 172,100.85

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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.