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Finding the Fourth Proportional to 181,685.56, 272,571.96 and 57,026.56

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Solution

The fourth proportional to 181,685.56, 272,571.96 and 57,026.56 is: 85,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,685.56 : 272,571.96 = 57,026.56 : x
  2. Step 2: Convert to fraction form
    181,685.56/272,571.96 = 57,026.56/x
  3. Step 3: Cross multiply
    181,685.56x = 272,571.96 × 57,026.56
  4. Step 4: Simplify right side
    181,685.56x = 15,543,841,231.26
  5. Step 5: Solve for x
    x = 15,543,841,231.26/181,685.56
  6. Step 6: Final answer
    x = 85,553.53

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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.