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Finding the Fourth Proportional to 149,220.40, 223,657.80 and 60,415.60

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Solution

The fourth proportional to 149,220.40, 223,657.80 and 60,415.60 is: 90,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,220.40 : 223,657.80 = 60,415.60 : x
  2. Step 2: Convert to fraction form
    149,220.40/223,657.80 = 60,415.60/x
  3. Step 3: Cross multiply
    149,220.40x = 223,657.80 × 60,415.60
  4. Step 4: Simplify right side
    149,220.40x = 13,512,420,181.68
  5. Step 5: Solve for x
    x = 13,512,420,181.68/149,220.40
  6. Step 6: Final answer
    x = 90,553.44

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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.