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Finding the Fourth Proportional to 181,355.76, 272,054.34 and 48,241.44

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Solution

The fourth proportional to 181,355.76, 272,054.34 and 48,241.44 is: 72,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,355.76 : 272,054.34 = 48,241.44 : x
  2. Step 2: Convert to fraction form
    181,355.76/272,054.34 = 48,241.44/x
  3. Step 3: Cross multiply
    181,355.76x = 272,054.34 × 48,241.44
  4. Step 4: Simplify right side
    181,355.76x = 13,124,293,119.85
  5. Step 5: Solve for x
    x = 13,124,293,119.85/181,355.76
  6. Step 6: Final answer
    x = 72,367.67

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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.