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Finding the Fourth Proportional to 150,520.37, 225,751.77 and 75,619.76

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Solution

The fourth proportional to 150,520.37, 225,751.77 and 75,619.76 is: 113,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,520.37 : 225,751.77 = 75,619.76 : x
  2. Step 2: Convert to fraction form
    150,520.37/225,751.77 = 75,619.76/x
  3. Step 3: Cross multiply
    150,520.37x = 225,751.77 × 75,619.76
  4. Step 4: Simplify right side
    150,520.37x = 17,071,293,538.22
  5. Step 5: Solve for x
    x = 17,071,293,538.22/150,520.37
  6. Step 6: Final answer
    x = 113,415.18

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1.5x scale

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.