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Finding the Fourth Proportional to 273,187.60, 376,989.57 and 150,684.83

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Solution

The fourth proportional to 273,187.60, 376,989.57 and 150,684.83 is: 207,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,187.60 : 376,989.57 = 150,684.83 : x
  2. Step 2: Convert to fraction form
    273,187.60/376,989.57 = 150,684.83/x
  3. Step 3: Cross multiply
    273,187.60x = 376,989.57 × 150,684.83
  4. Step 4: Simplify right side
    273,187.60x = 56,806,609,267.22
  5. Step 5: Solve for x
    x = 56,806,609,267.22/273,187.60
  6. Step 6: Final answer
    x = 207,939.93

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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.