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Finding the Fourth Proportional to 108,408.40, 162,611.70 and 29,522.50

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Solution

The fourth proportional to 108,408.40, 162,611.70 and 29,522.50 is: 44,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,408.40 : 162,611.70 = 29,522.50 : x
  2. Step 2: Convert to fraction form
    108,408.40/162,611.70 = 29,522.50/x
  3. Step 3: Cross multiply
    108,408.40x = 162,611.70 × 29,522.50
  4. Step 4: Simplify right side
    108,408.40x = 4,800,703,913.25
  5. Step 5: Solve for x
    x = 4,800,703,913.25/108,408.40
  6. Step 6: Final answer
    x = 44,283.50

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1.5x scale

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.