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Finding the Fourth Proportional to 104,212.60, 156,302.70 and 29,325.40

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Solution

The fourth proportional to 104,212.60, 156,302.70 and 29,325.40 is: 43,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,212.60 : 156,302.70 = 29,325.40 : x
  2. Step 2: Convert to fraction form
    104,212.60/156,302.70 = 29,325.40/x
  3. Step 3: Cross multiply
    104,212.60x = 156,302.70 × 29,325.40
  4. Step 4: Simplify right side
    104,212.60x = 4,583,639,198.58
  5. Step 5: Solve for x
    x = 4,583,639,198.58/104,212.60
  6. Step 6: Final answer
    x = 43,983.54

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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.