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Finding the Fourth Proportional to 134,625.39, 185,814.71 and 83,676.60

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Solution

The fourth proportional to 134,625.39, 185,814.71 and 83,676.60 is: 115,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,625.39 : 185,814.71 = 83,676.60 : x
  2. Step 2: Convert to fraction form
    134,625.39/185,814.71 = 83,676.60/x
  3. Step 3: Cross multiply
    134,625.39x = 185,814.71 × 83,676.60
  4. Step 4: Simplify right side
    134,625.39x = 15,548,342,744.40
  5. Step 5: Solve for x
    x = 15,548,342,744.40/134,625.39
  6. Step 6: Final answer
    x = 115,493.39

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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.