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Finding the Fourth Proportional to 162,679.68, 224,408.21 and 114,355.89

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Solution

The fourth proportional to 162,679.68, 224,408.21 and 114,355.89 is: 157,748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,679.68 : 224,408.21 = 114,355.89 : x
  2. Step 2: Convert to fraction form
    162,679.68/224,408.21 = 114,355.89/x
  3. Step 3: Cross multiply
    162,679.68x = 224,408.21 × 114,355.89
  4. Step 4: Simplify right side
    162,679.68x = 25,662,400,006.08
  5. Step 5: Solve for x
    x = 25,662,400,006.08/162,679.68
  6. Step 6: Final answer
    x = 157,748.04

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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.