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Finding the Fourth Proportional to 395,178.21, 592,795.06 and 158,520.92

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Solution

The fourth proportional to 395,178.21, 592,795.06 and 158,520.92 is: 237,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,178.21 : 592,795.06 = 158,520.92 : x
  2. Step 2: Convert to fraction form
    395,178.21/592,795.06 = 158,520.92/x
  3. Step 3: Cross multiply
    395,178.21x = 592,795.06 × 158,520.92
  4. Step 4: Simplify right side
    395,178.21x = 93,970,414,922.38
  5. Step 5: Solve for x
    x = 93,970,414,922.38/395,178.21
  6. Step 6: Final answer
    x = 237,792.50

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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.