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Finding the Fourth Proportional to 120,672.92, 181,032.98 and 36,439.94

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Solution

The fourth proportional to 120,672.92, 181,032.98 and 36,439.94 is: 54,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,672.92 : 181,032.98 = 36,439.94 : x
  2. Step 2: Convert to fraction form
    120,672.92/181,032.98 = 36,439.94/x
  3. Step 3: Cross multiply
    120,672.92x = 181,032.98 × 36,439.94
  4. Step 4: Simplify right side
    120,672.92x = 6,596,831,199.60
  5. Step 5: Solve for x
    x = 6,596,831,199.60/120,672.92
  6. Step 6: Final answer
    x = 54,667.04

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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.