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Finding the Fourth Proportional to 373,313.05, 559,971.60 and 92,830.30

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Solution

The fourth proportional to 373,313.05, 559,971.60 and 92,830.30 is: 139,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,313.05 : 559,971.60 = 92,830.30 : x
  2. Step 2: Convert to fraction form
    373,313.05/559,971.60 = 92,830.30/x
  3. Step 3: Cross multiply
    373,313.05x = 559,971.60 × 92,830.30
  4. Step 4: Simplify right side
    373,313.05x = 51,982,331,619.48
  5. Step 5: Solve for x
    x = 51,982,331,619.48/373,313.05
  6. Step 6: Final answer
    x = 139,245.95

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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.