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Finding the Fourth Proportional to 181,771.70, 250,842.56 and 105,301.22

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Solution

The fourth proportional to 181,771.70, 250,842.56 and 105,301.22 is: 145,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,771.70 : 250,842.56 = 105,301.22 : x
  2. Step 2: Convert to fraction form
    181,771.70/250,842.56 = 105,301.22/x
  3. Step 3: Cross multiply
    181,771.70x = 250,842.56 × 105,301.22
  4. Step 4: Simplify right side
    181,771.70x = 26,414,027,595.92
  5. Step 5: Solve for x
    x = 26,414,027,595.92/181,771.70
  6. Step 6: Final answer
    x = 145,314.30

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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.