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Finding the Fourth Proportional to 273,309.88, 377,176.98 and 158,579.86

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Solution

The fourth proportional to 273,309.88, 377,176.98 and 158,579.86 is: 218,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,309.88 : 377,176.98 = 158,579.86 : x
  2. Step 2: Convert to fraction form
    273,309.88/377,176.98 = 158,579.86/x
  3. Step 3: Cross multiply
    273,309.88x = 377,176.98 × 158,579.86
  4. Step 4: Simplify right side
    273,309.88x = 59,812,672,683.62
  5. Step 5: Solve for x
    x = 59,812,672,683.62/273,309.88
  6. Step 6: Final answer
    x = 218,845.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.