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Finding the Fourth Proportional to 181,363.76, 272,066.34 and 48,249.44

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Solution

The fourth proportional to 181,363.76, 272,066.34 and 48,249.44 is: 72,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,363.76 : 272,066.34 = 48,249.44 : x
  2. Step 2: Convert to fraction form
    181,363.76/272,066.34 = 48,249.44/x
  3. Step 3: Cross multiply
    181,363.76x = 272,066.34 × 48,249.44
  4. Step 4: Simplify right side
    181,363.76x = 13,127,048,547.85
  5. Step 5: Solve for x
    x = 13,127,048,547.85/181,363.76
  6. Step 6: Final answer
    x = 72,379.67

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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.