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Finding the Fourth Proportional to 154,998.70, 213,921.55 and 94,604.44

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Solution

The fourth proportional to 154,998.70, 213,921.55 and 94,604.44 is: 130,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,998.70 : 213,921.55 = 94,604.44 : x
  2. Step 2: Convert to fraction form
    154,998.70/213,921.55 = 94,604.44/x
  3. Step 3: Cross multiply
    154,998.70x = 213,921.55 × 94,604.44
  4. Step 4: Simplify right side
    154,998.70x = 20,237,927,130.43
  5. Step 5: Solve for x
    x = 20,237,927,130.43/154,998.70
  6. Step 6: Final answer
    x = 130,568.37

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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.