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Finding the Fourth Proportional to 134,676.68, 185,855.11 and 74,249.66

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Solution

The fourth proportional to 134,676.68, 185,855.11 and 74,249.66 is: 102,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,676.68 : 185,855.11 = 74,249.66 : x
  2. Step 2: Convert to fraction form
    134,676.68/185,855.11 = 74,249.66/x
  3. Step 3: Cross multiply
    134,676.68x = 185,855.11 × 74,249.66
  4. Step 4: Simplify right side
    134,676.68x = 13,799,679,005.78
  5. Step 5: Solve for x
    x = 13,799,679,005.78/134,676.68
  6. Step 6: Final answer
    x = 102,465.25

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1.5x scale

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.