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Finding the Fourth Proportional to 194,986.60, 292,479.90 and 179,626.60

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Solution

The fourth proportional to 194,986.60, 292,479.90 and 179,626.60 is: 269,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,986.60 : 292,479.90 = 179,626.60 : x
  2. Step 2: Convert to fraction form
    194,986.60/292,479.90 = 179,626.60/x
  3. Step 3: Cross multiply
    194,986.60x = 292,479.90 × 179,626.60
  4. Step 4: Simplify right side
    194,986.60x = 52,537,170,005.34
  5. Step 5: Solve for x
    x = 52,537,170,005.34/194,986.60
  6. Step 6: Final answer
    x = 269,439.90

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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.