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Finding the Fourth Proportional to 72,998.53, 100,737.03 and 41,177.68

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Solution

The fourth proportional to 72,998.53, 100,737.03 and 41,177.68 is: 56,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,998.53 : 100,737.03 = 41,177.68 : x
  2. Step 2: Convert to fraction form
    72,998.53/100,737.03 = 41,177.68/x
  3. Step 3: Cross multiply
    72,998.53x = 100,737.03 × 41,177.68
  4. Step 4: Simplify right side
    72,998.53x = 4,148,117,185.49
  5. Step 5: Solve for x
    x = 4,148,117,185.49/72,998.53
  6. Step 6: Final answer
    x = 56,824.67

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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.