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Finding the Fourth Proportional to 72,830.59, 100,482.75 and 44,161.75

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Solution

The fourth proportional to 72,830.59, 100,482.75 and 44,161.75 is: 60,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,830.59 : 100,482.75 = 44,161.75 : x
  2. Step 2: Convert to fraction form
    72,830.59/100,482.75 = 44,161.75/x
  3. Step 3: Cross multiply
    72,830.59x = 100,482.75 × 44,161.75
  4. Step 4: Simplify right side
    72,830.59x = 4,437,493,833.61
  5. Step 5: Solve for x
    x = 4,437,493,833.61/72,830.59
  6. Step 6: Final answer
    x = 60,928.99

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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.