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Finding the Fourth Proportional to 273,089.69, 376,709.42 and 170,937.82

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Solution

The fourth proportional to 273,089.69, 376,709.42 and 170,937.82 is: 235,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,089.69 : 376,709.42 = 170,937.82 : x
  2. Step 2: Convert to fraction form
    273,089.69/376,709.42 = 170,937.82/x
  3. Step 3: Cross multiply
    273,089.69x = 376,709.42 × 170,937.82
  4. Step 4: Simplify right side
    273,089.69x = 64,393,886,173.58
  5. Step 5: Solve for x
    x = 64,393,886,173.58/273,089.69
  6. Step 6: Final answer
    x = 235,797.58

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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.