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Finding the Fourth Proportional to 123,994.44, 186,015.60 and 52,916.04

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Solution

The fourth proportional to 123,994.44, 186,015.60 and 52,916.04 is: 79,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,994.44 : 186,015.60 = 52,916.04 : x
  2. Step 2: Convert to fraction form
    123,994.44/186,015.60 = 52,916.04/x
  3. Step 3: Cross multiply
    123,994.44x = 186,015.60 × 52,916.04
  4. Step 4: Simplify right side
    123,994.44x = 9,843,208,930.22
  5. Step 5: Solve for x
    x = 9,843,208,930.22/123,994.44
  6. Step 6: Final answer
    x = 79,384.28

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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.