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Finding the Fourth Proportional to 88,418.40, 132,627.60 and 35,829.60

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Solution

The fourth proportional to 88,418.40, 132,627.60 and 35,829.60 is: 53,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,418.40 : 132,627.60 = 35,829.60 : x
  2. Step 2: Convert to fraction form
    88,418.40/132,627.60 = 35,829.60/x
  3. Step 3: Cross multiply
    88,418.40x = 132,627.60 × 35,829.60
  4. Step 4: Simplify right side
    88,418.40x = 4,751,993,856.96
  5. Step 5: Solve for x
    x = 4,751,993,856.96/88,418.40
  6. Step 6: Final answer
    x = 53,744.40

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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.