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Finding the Fourth Proportional to 72,893.95, 100,591.13 and 44,216.91

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Solution

The fourth proportional to 72,893.95, 100,591.13 and 44,216.91 is: 61,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893.95 : 100,591.13 = 44,216.91 : x
  2. Step 2: Convert to fraction form
    72,893.95/100,591.13 = 44,216.91/x
  3. Step 3: Cross multiply
    72,893.95x = 100,591.13 × 44,216.91
  4. Step 4: Simplify right side
    72,893.95x = 4,447,829,052.55
  5. Step 5: Solve for x
    x = 4,447,829,052.55/72,893.95
  6. Step 6: Final answer
    x = 61,017.81

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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.