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Finding the Fourth Proportional to 76,570.52, 114,849.57 and 48,408.44

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Solution

The fourth proportional to 76,570.52, 114,849.57 and 48,408.44 is: 72,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,570.52 : 114,849.57 = 48,408.44 : x
  2. Step 2: Convert to fraction form
    76,570.52/114,849.57 = 48,408.44/x
  3. Step 3: Cross multiply
    76,570.52x = 114,849.57 × 48,408.44
  4. Step 4: Simplify right side
    76,570.52x = 5,559,688,518.37
  5. Step 5: Solve for x
    x = 5,559,688,518.37/76,570.52
  6. Step 6: Final answer
    x = 72,608.73

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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.