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Finding the Fourth Proportional to 197,516.48, 296,274.24 and 66,188.48

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Solution

The fourth proportional to 197,516.48, 296,274.24 and 66,188.48 is: 99,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,516.48 : 296,274.24 = 66,188.48 : x
  2. Step 2: Convert to fraction form
    197,516.48/296,274.24 = 66,188.48/x
  3. Step 3: Cross multiply
    197,516.48x = 296,274.24 × 66,188.48
  4. Step 4: Simplify right side
    197,516.48x = 19,609,941,608.76
  5. Step 5: Solve for x
    x = 19,609,941,608.76/197,516.48
  6. Step 6: Final answer
    x = 99,282.56

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1.5x scale

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.