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Finding the Fourth Proportional to 162,695.44, 244,200.98 and 78,514.85

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Solution

The fourth proportional to 162,695.44, 244,200.98 and 78,514.85 is: 117,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,695.44 : 244,200.98 = 78,514.85 : x
  2. Step 2: Convert to fraction form
    162,695.44/244,200.98 = 78,514.85/x
  3. Step 3: Cross multiply
    162,695.44x = 244,200.98 × 78,514.85
  4. Step 4: Simplify right side
    162,695.44x = 19,173,401,700.97
  5. Step 5: Solve for x
    x = 19,173,401,700.97/162,695.44
  6. Step 6: Final answer
    x = 117,848.43

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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.