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Finding the Fourth Proportional to 114,618.41, 171,872.31 and 48,040.67

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Solution

The fourth proportional to 114,618.41, 171,872.31 and 48,040.67 is: 72,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,618.41 : 171,872.31 = 48,040.67 : x
  2. Step 2: Convert to fraction form
    114,618.41/171,872.31 = 48,040.67/x
  3. Step 3: Cross multiply
    114,618.41x = 171,872.31 × 48,040.67
  4. Step 4: Simplify right side
    114,618.41x = 8,256,860,926.85
  5. Step 5: Solve for x
    x = 8,256,860,926.85/114,618.41
  6. Step 6: Final answer
    x = 72,037.82

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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.