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Finding the Fourth Proportional to 120,662.22, 181,019.33 and 36,415.33

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Solution

The fourth proportional to 120,662.22, 181,019.33 and 36,415.33 is: 54,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,662.22 : 181,019.33 = 36,415.33 : x
  2. Step 2: Convert to fraction form
    120,662.22/181,019.33 = 36,415.33/x
  3. Step 3: Cross multiply
    120,662.22x = 181,019.33 × 36,415.33
  4. Step 4: Simplify right side
    120,662.22x = 6,591,878,638.33
  5. Step 5: Solve for x
    x = 6,591,878,638.33/120,662.22
  6. Step 6: Final answer
    x = 54,630.84

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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.