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Finding the Fourth Proportional to 150,309.19, 225,410.55 and 43,670.94

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Solution

The fourth proportional to 150,309.19, 225,410.55 and 43,670.94 is: 65,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,309.19 : 225,410.55 = 43,670.94 : x
  2. Step 2: Convert to fraction form
    150,309.19/225,410.55 = 43,670.94/x
  3. Step 3: Cross multiply
    150,309.19x = 225,410.55 × 43,670.94
  4. Step 4: Simplify right side
    150,309.19x = 9,843,890,604.42
  5. Step 5: Solve for x
    x = 9,843,890,604.42/150,309.19
  6. Step 6: Final answer
    x = 65,490.94

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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.