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Finding the Fourth Proportional to 197,506.88, 296,258.88 and 79,176.48

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Solution

The fourth proportional to 197,506.88, 296,258.88 and 79,176.48 is: 118,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,506.88 : 296,258.88 = 79,176.48 : x
  2. Step 2: Convert to fraction form
    197,506.88/296,258.88 = 79,176.48/x
  3. Step 3: Cross multiply
    197,506.88x = 296,258.88 × 79,176.48
  4. Step 4: Simplify right side
    197,506.88x = 23,456,735,287.14
  5. Step 5: Solve for x
    x = 23,456,735,287.14/197,506.88
  6. Step 6: Final answer
    x = 118,764.14

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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.