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Finding the Fourth Proportional to 373,109.87, 559,664.78 and 92,627.12

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Solution

The fourth proportional to 373,109.87, 559,664.78 and 92,627.12 is: 138,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,109.87 : 559,664.78 = 92,627.12 : x
  2. Step 2: Convert to fraction form
    373,109.87/559,664.78 = 92,627.12/x
  3. Step 3: Cross multiply
    373,109.87x = 559,664.78 × 92,627.12
  4. Step 4: Simplify right side
    373,109.87x = 51,840,133,475.37
  5. Step 5: Solve for x
    x = 51,840,133,475.37/373,109.87
  6. Step 6: Final answer
    x = 138,940.67

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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.