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Finding the Fourth Proportional to 179,969.02, 269,954.94 and 61,641.38

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Solution

The fourth proportional to 179,969.02, 269,954.94 and 61,641.38 is: 92,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,969.02 : 269,954.94 = 61,641.38 : x
  2. Step 2: Convert to fraction form
    179,969.02/269,954.94 = 61,641.38/x
  3. Step 3: Cross multiply
    179,969.02x = 269,954.94 × 61,641.38
  4. Step 4: Simplify right side
    179,969.02x = 16,640,395,039.42
  5. Step 5: Solve for x
    x = 16,640,395,039.42/179,969.02
  6. Step 6: Final answer
    x = 92,462.55

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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.