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Finding the Fourth Proportional to 197,375.58, 295,636.90 and 103,684.50

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Solution

The fourth proportional to 197,375.58, 295,636.90 and 103,684.50 is: 155,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,375.58 : 295,636.90 = 103,684.50 : x
  2. Step 2: Convert to fraction form
    197,375.58/295,636.90 = 103,684.50/x
  3. Step 3: Cross multiply
    197,375.58x = 295,636.90 × 103,684.50
  4. Step 4: Simplify right side
    197,375.58x = 30,652,964,158.05
  5. Step 5: Solve for x
    x = 30,652,964,158.05/197,375.58
  6. Step 6: Final answer
    x = 155,302.72

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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.