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Finding the Fourth Proportional to 96,836.80, 145,206.60 and 44,186.80

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Solution

The fourth proportional to 96,836.80, 145,206.60 and 44,186.80 is: 66,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,836.80 : 145,206.60 = 44,186.80 : x
  2. Step 2: Convert to fraction form
    96,836.80/145,206.60 = 44,186.80/x
  3. Step 3: Cross multiply
    96,836.80x = 145,206.60 × 44,186.80
  4. Step 4: Simplify right side
    96,836.80x = 6,416,214,992.88
  5. Step 5: Solve for x
    x = 6,416,214,992.88/96,836.80
  6. Step 6: Final answer
    x = 66,258.02

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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.