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Finding the Fourth Proportional to 194,679.40, 292,116.30 and 110,504.20

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Solution

The fourth proportional to 194,679.40, 292,116.30 and 110,504.20 is: 165,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,679.40 : 292,116.30 = 110,504.20 : x
  2. Step 2: Convert to fraction form
    194,679.40/292,116.30 = 110,504.20/x
  3. Step 3: Cross multiply
    194,679.40x = 292,116.30 × 110,504.20
  4. Step 4: Simplify right side
    194,679.40x = 32,280,078,038.46
  5. Step 5: Solve for x
    x = 32,280,078,038.46/194,679.40
  6. Step 6: Final answer
    x = 165,811.47

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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.