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Finding the Fourth Proportional to 273,039.46, 376,763.31 and 158,294.17

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Solution

The fourth proportional to 273,039.46, 376,763.31 and 158,294.17 is: 218,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,039.46 : 376,763.31 = 158,294.17 : x
  2. Step 2: Convert to fraction form
    273,039.46/376,763.31 = 158,294.17/x
  3. Step 3: Cross multiply
    273,039.46x = 376,763.31 × 158,294.17
  4. Step 4: Simplify right side
    273,039.46x = 59,639,435,442.90
  5. Step 5: Solve for x
    x = 59,639,435,442.90/273,039.46
  6. Step 6: Final answer
    x = 218,427.90

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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.