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Finding the Fourth Proportional to 107,070.30, 160,544.70 and 40,512.60

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Solution

The fourth proportional to 107,070.30, 160,544.70 and 40,512.60 is: 60,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,070.30 : 160,544.70 = 40,512.60 : x
  2. Step 2: Convert to fraction form
    107,070.30/160,544.70 = 40,512.60/x
  3. Step 3: Cross multiply
    107,070.30x = 160,544.70 × 40,512.60
  4. Step 4: Simplify right side
    107,070.30x = 6,504,083,213.22
  5. Step 5: Solve for x
    x = 6,504,083,213.22/107,070.30
  6. Step 6: Final answer
    x = 60,745.91

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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.