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Finding the Fourth Proportional to 197,685.97, 296,532.51 and 71,335.69

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Solution

The fourth proportional to 197,685.97, 296,532.51 and 71,335.69 is: 107,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,685.97 : 296,532.51 = 71,335.69 : x
  2. Step 2: Convert to fraction form
    197,685.97/296,532.51 = 71,335.69/x
  3. Step 3: Cross multiply
    197,685.97x = 296,532.51 × 71,335.69
  4. Step 4: Simplify right side
    197,685.97x = 21,153,351,208.28
  5. Step 5: Solve for x
    x = 21,153,351,208.28/197,685.97
  6. Step 6: Final answer
    x = 107,004.82

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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.