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Finding the Fourth Proportional to 92,186.96, 138,249.68 and 36,012.51

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Solution

The fourth proportional to 92,186.96, 138,249.68 and 36,012.51 is: 54,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,186.96 : 138,249.68 = 36,012.51 : x
  2. Step 2: Convert to fraction form
    92,186.96/138,249.68 = 36,012.51/x
  3. Step 3: Cross multiply
    92,186.96x = 138,249.68 × 36,012.51
  4. Step 4: Simplify right side
    92,186.96x = 4,978,717,803.43
  5. Step 5: Solve for x
    x = 4,978,717,803.43/92,186.96
  6. Step 6: Final answer
    x = 54,006.75

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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.