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Finding the Fourth Proportional to 121,168.01, 181,754.44 and 32,421.37

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Solution

The fourth proportional to 121,168.01, 181,754.44 and 32,421.37 is: 48,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168.01 : 181,754.44 = 32,421.37 : x
  2. Step 2: Convert to fraction form
    121,168.01/181,754.44 = 32,421.37/x
  3. Step 3: Cross multiply
    121,168.01x = 181,754.44 × 32,421.37
  4. Step 4: Simplify right side
    121,168.01x = 5,892,727,948.38
  5. Step 5: Solve for x
    x = 5,892,727,948.38/121,168.01
  6. Step 6: Final answer
    x = 48,632.71

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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.