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Finding the Fourth Proportional to 197,243.63, 295,940.01 and 118,412.81

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Solution

The fourth proportional to 197,243.63, 295,940.01 and 118,412.81 is: 177,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,243.63 : 295,940.01 = 118,412.81 : x
  2. Step 2: Convert to fraction form
    197,243.63/295,940.01 = 118,412.81/x
  3. Step 3: Cross multiply
    197,243.63x = 295,940.01 × 118,412.81
  4. Step 4: Simplify right side
    197,243.63x = 35,043,088,175.53
  5. Step 5: Solve for x
    x = 35,043,088,175.53/197,243.63
  6. Step 6: Final answer
    x = 177,663.98

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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.