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Finding the Fourth Proportional to 181,276.70, 250,197.46 and 115,823.48

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Solution

The fourth proportional to 181,276.70, 250,197.46 and 115,823.48 is: 159,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,276.70 : 250,197.46 = 115,823.48 : x
  2. Step 2: Convert to fraction form
    181,276.70/250,197.46 = 115,823.48/x
  3. Step 3: Cross multiply
    181,276.70x = 250,197.46 × 115,823.48
  4. Step 4: Simplify right side
    181,276.70x = 28,978,740,504.36
  5. Step 5: Solve for x
    x = 28,978,740,504.36/181,276.70
  6. Step 6: Final answer
    x = 159,859.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.