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Finding the Fourth Proportional to 262,674.89, 393,973.15 and 73,115.45

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Solution

The fourth proportional to 262,674.89, 393,973.15 and 73,115.45 is: 109,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,674.89 : 393,973.15 = 73,115.45 : x
  2. Step 2: Convert to fraction form
    262,674.89/393,973.15 = 73,115.45/x
  3. Step 3: Cross multiply
    262,674.89x = 393,973.15 × 73,115.45
  4. Step 4: Simplify right side
    262,674.89x = 28,805,524,150.17
  5. Step 5: Solve for x
    x = 28,805,524,150.17/262,674.89
  6. Step 6: Final answer
    x = 109,662.27

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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.