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Finding the Fourth Proportional to 72,833.34, 100,486.55 and 44,164.50

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Solution

The fourth proportional to 72,833.34, 100,486.55 and 44,164.50 is: 60,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833.34 : 100,486.55 = 44,164.50 : x
  2. Step 2: Convert to fraction form
    72,833.34/100,486.55 = 44,164.50/x
  3. Step 3: Cross multiply
    72,833.34x = 100,486.55 × 44,164.50
  4. Step 4: Simplify right side
    72,833.34x = 4,437,938,016.65
  5. Step 5: Solve for x
    x = 4,437,938,016.65/72,833.34
  6. Step 6: Final answer
    x = 60,932.78

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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.