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Finding the Fourth Proportional to 150,722.06, 225,736.49 and 84,014.45

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Solution

The fourth proportional to 150,722.06, 225,736.49 and 84,014.45 is: 125,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,722.06 : 225,736.49 = 84,014.45 : x
  2. Step 2: Convert to fraction form
    150,722.06/225,736.49 = 84,014.45/x
  3. Step 3: Cross multiply
    150,722.06x = 225,736.49 × 84,014.45
  4. Step 4: Simplify right side
    150,722.06x = 18,965,125,503.53
  5. Step 5: Solve for x
    x = 18,965,125,503.53/150,722.06
  6. Step 6: Final answer
    x = 125,828.47

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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.