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Finding the Fourth Proportional to 251,834.05, 377,792.11 and 74,359.00

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Solution

The fourth proportional to 251,834.05, 377,792.11 and 74,359.00 is: 111,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,834.05 : 377,792.11 = 74,359.00 : x
  2. Step 2: Convert to fraction form
    251,834.05/377,792.11 = 74,359.00/x
  3. Step 3: Cross multiply
    251,834.05x = 377,792.11 × 74,359.00
  4. Step 4: Simplify right side
    251,834.05x = 28,092,241,432.63
  5. Step 5: Solve for x
    x = 28,092,241,432.63/251,834.05
  6. Step 6: Final answer
    x = 111,550.61

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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.