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Finding the Fourth Proportional to 134,676.84, 185,855.33 and 74,249.70

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Solution

The fourth proportional to 134,676.84, 185,855.33 and 74,249.70 is: 102,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,676.84 : 185,855.33 = 74,249.70 : x
  2. Step 2: Convert to fraction form
    134,676.84/185,855.33 = 74,249.70/x
  3. Step 3: Cross multiply
    134,676.84x = 185,855.33 × 74,249.70
  4. Step 4: Simplify right side
    134,676.84x = 13,799,702,495.90
  5. Step 5: Solve for x
    x = 13,799,702,495.90/134,676.84
  6. Step 6: Final answer
    x = 102,465.30

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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.