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Finding the Fourth Proportional to 273,307.28, 377,099.87 and 165,874.82

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Solution

The fourth proportional to 273,307.28, 377,099.87 and 165,874.82 is: 228,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,307.28 : 377,099.87 = 165,874.82 : x
  2. Step 2: Convert to fraction form
    273,307.28/377,099.87 = 165,874.82/x
  3. Step 3: Cross multiply
    273,307.28x = 377,099.87 × 165,874.82
  4. Step 4: Simplify right side
    273,307.28x = 62,551,370,343.40
  5. Step 5: Solve for x
    x = 62,551,370,343.40/273,307.28
  6. Step 6: Final answer
    x = 228,868.30

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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.