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Finding the Fourth Proportional to 121,064.60, 181,596.92 and 32,318.44

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Solution

The fourth proportional to 121,064.60, 181,596.92 and 32,318.44 is: 48,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,064.60 : 181,596.92 = 32,318.44 : x
  2. Step 2: Convert to fraction form
    121,064.60/181,596.92 = 32,318.44/x
  3. Step 3: Cross multiply
    121,064.60x = 181,596.92 × 32,318.44
  4. Step 4: Simplify right side
    121,064.60x = 5,868,929,163.20
  5. Step 5: Solve for x
    x = 5,868,929,163.20/121,064.60
  6. Step 6: Final answer
    x = 48,477.67

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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.