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Finding the Fourth Proportional to 192,410.27, 288,658.01 and 66,047.69

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Solution

The fourth proportional to 192,410.27, 288,658.01 and 66,047.69 is: 99,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,410.27 : 288,658.01 = 66,047.69 : x
  2. Step 2: Convert to fraction form
    192,410.27/288,658.01 = 66,047.69/x
  3. Step 3: Cross multiply
    192,410.27x = 288,658.01 × 66,047.69
  4. Step 4: Simplify right side
    192,410.27x = 19,065,194,760.50
  5. Step 5: Solve for x
    x = 19,065,194,760.50/192,410.27
  6. Step 6: Final answer
    x = 99,086.16

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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.