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Finding the Fourth Proportional to 150,042.80, 225,076.08 and 50,203.52

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Solution

The fourth proportional to 150,042.80, 225,076.08 and 50,203.52 is: 75,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,042.80 : 225,076.08 = 50,203.52 : x
  2. Step 2: Convert to fraction form
    150,042.80/225,076.08 = 50,203.52/x
  3. Step 3: Cross multiply
    150,042.80x = 225,076.08 × 50,203.52
  4. Step 4: Simplify right side
    150,042.80x = 11,299,611,483.80
  5. Step 5: Solve for x
    x = 11,299,611,483.80/150,042.80
  6. Step 6: Final answer
    x = 75,309.25

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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.