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Finding the Fourth Proportional to 64,494.41, 88,997.40 and 36,194.63

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Solution

The fourth proportional to 64,494.41, 88,997.40 and 36,194.63 is: 49,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,494.41 : 88,997.40 = 36,194.63 : x
  2. Step 2: Convert to fraction form
    64,494.41/88,997.40 = 36,194.63/x
  3. Step 3: Cross multiply
    64,494.41x = 88,997.40 × 36,194.63
  4. Step 4: Simplify right side
    64,494.41x = 3,221,227,518.98
  5. Step 5: Solve for x
    x = 3,221,227,518.98/64,494.41
  6. Step 6: Final answer
    x = 49,945.84

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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.