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Finding the Fourth Proportional to 373,295.45, 559,945.20 and 92,812.70

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Solution

The fourth proportional to 373,295.45, 559,945.20 and 92,812.70 is: 139,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,295.45 : 559,945.20 = 92,812.70 : x
  2. Step 2: Convert to fraction form
    373,295.45/559,945.20 = 92,812.70/x
  3. Step 3: Cross multiply
    373,295.45x = 559,945.20 × 92,812.70
  4. Step 4: Simplify right side
    373,295.45x = 51,970,025,864.04
  5. Step 5: Solve for x
    x = 51,970,025,864.04/373,295.45
  6. Step 6: Final answer
    x = 139,219.55

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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.