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Finding the Fourth Proportional to 88,787, 133,199.94 and 33,383

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Solution

The fourth proportional to 88,787, 133,199.94 and 33,383 is: 50,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,787 : 133,199.94 = 33,383 : x
  2. Step 2: Convert to fraction form
    88,787/133,199.94 = 33,383/x
  3. Step 3: Cross multiply
    88,787x = 133,199.94 × 33,383
  4. Step 4: Simplify right side
    88,787x = 4,446,613,597.02
  5. Step 5: Solve for x
    x = 4,446,613,597.02/88,787
  6. Step 6: Final answer
    x = 50,081.81

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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.