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Finding the Fourth Proportional to 119,661.87, 179,492.59 and 55,584.97

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Solution

The fourth proportional to 119,661.87, 179,492.59 and 55,584.97 is: 83,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,661.87 : 179,492.59 = 55,584.97 : x
  2. Step 2: Convert to fraction form
    119,661.87/179,492.59 = 55,584.97/x
  3. Step 3: Cross multiply
    119,661.87x = 179,492.59 × 55,584.97
  4. Step 4: Simplify right side
    119,661.87x = 9,977,090,230.37
  5. Step 5: Solve for x
    x = 9,977,090,230.37/119,661.87
  6. Step 6: Final answer
    x = 83,377.36

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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.