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Finding the Fourth Proportional to 197,316.60, 295,731.90 and 134,136.60

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Solution

The fourth proportional to 197,316.60, 295,731.90 and 134,136.60 is: 201,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,316.60 : 295,731.90 = 134,136.60 : x
  2. Step 2: Convert to fraction form
    197,316.60/295,731.90 = 134,136.60/x
  3. Step 3: Cross multiply
    197,316.60x = 295,731.90 × 134,136.60
  4. Step 4: Simplify right side
    197,316.60x = 39,668,471,577.54
  5. Step 5: Solve for x
    x = 39,668,471,577.54/197,316.60
  6. Step 6: Final answer
    x = 201,039.71

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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.