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Finding the Fourth Proportional to 72,692.24, 108,826.94 and 44,526.71

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Solution

The fourth proportional to 72,692.24, 108,826.94 and 44,526.71 is: 66,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,692.24 : 108,826.94 = 44,526.71 : x
  2. Step 2: Convert to fraction form
    72,692.24/108,826.94 = 44,526.71/x
  3. Step 3: Cross multiply
    72,692.24x = 108,826.94 × 44,526.71
  4. Step 4: Simplify right side
    72,692.24x = 4,845,705,980.95
  5. Step 5: Solve for x
    x = 4,845,705,980.95/72,692.24
  6. Step 6: Final answer
    x = 66,660.57

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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.