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Finding the Fourth Proportional to 73,524.69, 110,254.03 and 20,921.67

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Solution

The fourth proportional to 73,524.69, 110,254.03 and 20,921.67 is: 31,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,524.69 : 110,254.03 = 20,921.67 : x
  2. Step 2: Convert to fraction form
    73,524.69/110,254.03 = 20,921.67/x
  3. Step 3: Cross multiply
    73,524.69x = 110,254.03 × 20,921.67
  4. Step 4: Simplify right side
    73,524.69x = 2,306,698,379.53
  5. Step 5: Solve for x
    x = 2,306,698,379.53/73,524.69
  6. Step 6: Final answer
    x = 31,373.11

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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.