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Finding the Fourth Proportional to 119,838.53, 179,757.56 and 69,883.59

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Solution

The fourth proportional to 119,838.53, 179,757.56 and 69,883.59 is: 104,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,838.53 : 179,757.56 = 69,883.59 : x
  2. Step 2: Convert to fraction form
    119,838.53/179,757.56 = 69,883.59/x
  3. Step 3: Cross multiply
    119,838.53x = 179,757.56 × 69,883.59
  4. Step 4: Simplify right side
    119,838.53x = 12,562,103,944.65
  5. Step 5: Solve for x
    x = 12,562,103,944.65/119,838.53
  6. Step 6: Final answer
    x = 104,825.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.