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Finding the Fourth Proportional to 373,261.43, 559,892.60 and 92,778.68

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Solution

The fourth proportional to 373,261.43, 559,892.60 and 92,778.68 is: 139,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,261.43 : 559,892.60 = 92,778.68 : x
  2. Step 2: Convert to fraction form
    373,261.43/559,892.60 = 92,778.68/x
  3. Step 3: Cross multiply
    373,261.43x = 559,892.60 × 92,778.68
  4. Step 4: Simplify right side
    373,261.43x = 51,946,095,905.87
  5. Step 5: Solve for x
    x = 51,946,095,905.87/373,261.43
  6. Step 6: Final answer
    x = 139,168.13

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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.