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Finding the Fourth Proportional to 88,214.40, 132,321.60 and 60,220.80

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Solution

The fourth proportional to 88,214.40, 132,321.60 and 60,220.80 is: 90,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214.40 : 132,321.60 = 60,220.80 : x
  2. Step 2: Convert to fraction form
    88,214.40/132,321.60 = 60,220.80/x
  3. Step 3: Cross multiply
    88,214.40x = 132,321.60 × 60,220.80
  4. Step 4: Simplify right side
    88,214.40x = 7,968,512,609.28
  5. Step 5: Solve for x
    x = 7,968,512,609.28/88,214.40
  6. Step 6: Final answer
    x = 90,331.20

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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.