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Finding the Fourth Proportional to 366,381.94, 549,529.17 and 100,165.72

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Solution

The fourth proportional to 366,381.94, 549,529.17 and 100,165.72 is: 150,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,381.94 : 549,529.17 = 100,165.72 : x
  2. Step 2: Convert to fraction form
    366,381.94/549,529.17 = 100,165.72/x
  3. Step 3: Cross multiply
    366,381.94x = 549,529.17 × 100,165.72
  4. Step 4: Simplify right side
    366,381.94x = 55,043,984,974.05
  5. Step 5: Solve for x
    x = 55,043,984,974.05/366,381.94
  6. Step 6: Final answer
    x = 150,236.62

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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.