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Finding the Fourth Proportional to 150,697.80, 225,852.30 and 115,462.80

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Solution

The fourth proportional to 150,697.80, 225,852.30 and 115,462.80 is: 173,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,697.80 : 225,852.30 = 115,462.80 : x
  2. Step 2: Convert to fraction form
    150,697.80/225,852.30 = 115,462.80/x
  3. Step 3: Cross multiply
    150,697.80x = 225,852.30 × 115,462.80
  4. Step 4: Simplify right side
    150,697.80x = 26,077,538,944.44
  5. Step 5: Solve for x
    x = 26,077,538,944.44/150,697.80
  6. Step 6: Final answer
    x = 173,045.25

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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.