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Finding the Fourth Proportional to 181,505.62, 250,440.87 and 106,039.54

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Solution

The fourth proportional to 181,505.62, 250,440.87 and 106,039.54 is: 146,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,505.62 : 250,440.87 = 106,039.54 : x
  2. Step 2: Convert to fraction form
    181,505.62/250,440.87 = 106,039.54/x
  3. Step 3: Cross multiply
    181,505.62x = 250,440.87 × 106,039.54
  4. Step 4: Simplify right side
    181,505.62x = 26,556,634,652.00
  5. Step 5: Solve for x
    x = 26,556,634,652.00/181,505.62
  6. Step 6: Final answer
    x = 146,313.02

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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.