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Finding the Fourth Proportional to 191,466.64, 264,228.60 and 106,589.44

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Solution

The fourth proportional to 191,466.64, 264,228.60 and 106,589.44 is: 147,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,466.64 : 264,228.60 = 106,589.44 : x
  2. Step 2: Convert to fraction form
    191,466.64/264,228.60 = 106,589.44/x
  3. Step 3: Cross multiply
    191,466.64x = 264,228.60 × 106,589.44
  4. Step 4: Simplify right side
    191,466.64x = 28,163,978,505.98
  5. Step 5: Solve for x
    x = 28,163,978,505.98/191,466.64
  6. Step 6: Final answer
    x = 147,096.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.