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Finding the Fourth Proportional to 73,603.86, 110,438.61 and 26,845.80

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Solution

The fourth proportional to 73,603.86, 110,438.61 and 26,845.80 is: 40,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,603.86 : 110,438.61 = 26,845.80 : x
  2. Step 2: Convert to fraction form
    73,603.86/110,438.61 = 26,845.80/x
  3. Step 3: Cross multiply
    73,603.86x = 110,438.61 × 26,845.80
  4. Step 4: Simplify right side
    73,603.86x = 2,964,813,253.35
  5. Step 5: Solve for x
    x = 2,964,813,253.35/73,603.86
  6. Step 6: Final answer
    x = 40,280.67

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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.