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Finding the Fourth Proportional to 162,492.44, 224,086.76 and 117,469.40

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Solution

The fourth proportional to 162,492.44, 224,086.76 and 117,469.40 is: 161,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,492.44 : 224,086.76 = 117,469.40 : x
  2. Step 2: Convert to fraction form
    162,492.44/224,086.76 = 117,469.40/x
  3. Step 3: Cross multiply
    162,492.44x = 224,086.76 × 117,469.40
  4. Step 4: Simplify right side
    162,492.44x = 26,323,337,245.14
  5. Step 5: Solve for x
    x = 26,323,337,245.14/162,492.44
  6. Step 6: Final answer
    x = 161,997.30

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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.