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Finding the Fourth Proportional to 240,141.49, 360,212.23 and 90,415.37

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Solution

The fourth proportional to 240,141.49, 360,212.23 and 90,415.37 is: 135,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,141.49 : 360,212.23 = 90,415.37 : x
  2. Step 2: Convert to fraction form
    240,141.49/360,212.23 = 90,415.37/x
  3. Step 3: Cross multiply
    240,141.49x = 360,212.23 × 90,415.37
  4. Step 4: Simplify right side
    240,141.49x = 32,568,722,053.98
  5. Step 5: Solve for x
    x = 32,568,722,053.98/240,141.49
  6. Step 6: Final answer
    x = 135,623.05

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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.