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Finding the Fourth Proportional to 197,114.70, 295,672.05 and 118,317.90

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Solution

The fourth proportional to 197,114.70, 295,672.05 and 118,317.90 is: 177,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,114.70 : 295,672.05 = 118,317.90 : x
  2. Step 2: Convert to fraction form
    197,114.70/295,672.05 = 118,317.90/x
  3. Step 3: Cross multiply
    197,114.70x = 295,672.05 × 118,317.90
  4. Step 4: Simplify right side
    197,114.70x = 34,983,296,044.70
  5. Step 5: Solve for x
    x = 34,983,296,044.70/197,114.70
  6. Step 6: Final answer
    x = 177,476.85

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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.