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Finding the Fourth Proportional to 192,851.40, 288,785.03 and 153,485.40

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Solution

The fourth proportional to 192,851.40, 288,785.03 and 153,485.40 is: 229,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,851.40 : 288,785.03 = 153,485.40 : x
  2. Step 2: Convert to fraction form
    192,851.40/288,785.03 = 153,485.40/x
  3. Step 3: Cross multiply
    192,851.40x = 288,785.03 × 153,485.40
  4. Step 4: Simplify right side
    192,851.40x = 44,324,285,076.14
  5. Step 5: Solve for x
    x = 44,324,285,076.14/192,851.40
  6. Step 6: Final answer
    x = 229,836.47

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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.