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Finding the Fourth Proportional to 150,606.80, 225,837.24 and 45,406.16

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Solution

The fourth proportional to 150,606.80, 225,837.24 and 45,406.16 is: 68,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,606.80 : 225,837.24 = 45,406.16 : x
  2. Step 2: Convert to fraction form
    150,606.80/225,837.24 = 45,406.16/x
  3. Step 3: Cross multiply
    150,606.80x = 225,837.24 × 45,406.16
  4. Step 4: Simplify right side
    150,606.80x = 10,254,401,853.40
  5. Step 5: Solve for x
    x = 10,254,401,853.40/150,606.80
  6. Step 6: Final answer
    x = 68,087.24

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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.