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Finding the Fourth Proportional to 197,957.02, 296,941.20 and 71,608.90

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Solution

The fourth proportional to 197,957.02, 296,941.20 and 71,608.90 is: 107,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,957.02 : 296,941.20 = 71,608.90 : x
  2. Step 2: Convert to fraction form
    197,957.02/296,941.20 = 71,608.90/x
  3. Step 3: Cross multiply
    197,957.02x = 296,941.20 × 71,608.90
  4. Step 4: Simplify right side
    197,957.02x = 21,263,632,696.68
  5. Step 5: Solve for x
    x = 21,263,632,696.68/197,957.02
  6. Step 6: Final answer
    x = 107,415.40

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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.