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Finding the Fourth Proportional to 197,633.28, 296,360.48 and 85,260.48

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Solution

The fourth proportional to 197,633.28, 296,360.48 and 85,260.48 is: 127,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,633.28 : 296,360.48 = 85,260.48 : x
  2. Step 2: Convert to fraction form
    197,633.28/296,360.48 = 85,260.48/x
  3. Step 3: Cross multiply
    197,633.28x = 296,360.48 × 85,260.48
  4. Step 4: Simplify right side
    197,633.28x = 25,267,836,777.83
  5. Step 5: Solve for x
    x = 25,267,836,777.83/197,633.28
  6. Step 6: Final answer
    x = 127,852.13

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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.