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Finding the Fourth Proportional to 301,940.10, 452,880.90 and 91,579.86

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Solution

The fourth proportional to 301,940.10, 452,880.90 and 91,579.86 is: 137,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,940.10 : 452,880.90 = 91,579.86 : x
  2. Step 2: Convert to fraction form
    301,940.10/452,880.90 = 91,579.86/x
  3. Step 3: Cross multiply
    301,940.10x = 452,880.90 × 91,579.86
  4. Step 4: Simplify right side
    301,940.10x = 41,474,769,418.67
  5. Step 5: Solve for x
    x = 41,474,769,418.67/301,940.10
  6. Step 6: Final answer
    x = 137,360.92

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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.