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Finding the Fourth Proportional to 129,984.60, 182,372.10 and 129,984.60

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Solution

The fourth proportional to 129,984.60, 182,372.10 and 129,984.60 is: 182,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,984.60 : 182,372.10 = 129,984.60 : x
  2. Step 2: Convert to fraction form
    129,984.60/182,372.10 = 129,984.60/x
  3. Step 3: Cross multiply
    129,984.60x = 182,372.10 × 129,984.60
  4. Step 4: Simplify right side
    129,984.60x = 23,705,564,469.66
  5. Step 5: Solve for x
    x = 23,705,564,469.66/129,984.60
  6. Step 6: Final answer
    x = 182,372.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.