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Finding the Fourth Proportional to 72,832.84, 100,485.86 and 44,164

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Solution

The fourth proportional to 72,832.84, 100,485.86 and 44,164 is: 60,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,832.84 : 100,485.86 = 44,164 : x
  2. Step 2: Convert to fraction form
    72,832.84/100,485.86 = 44,164/x
  3. Step 3: Cross multiply
    72,832.84x = 100,485.86 × 44,164
  4. Step 4: Simplify right side
    72,832.84x = 4,437,857,300.22
  5. Step 5: Solve for x
    x = 4,437,857,300.22/72,832.84
  6. Step 6: Final answer
    x = 60,932.09

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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.