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Finding the Fourth Proportional to 79,530, 119,295.72 and 24,126

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Solution

The fourth proportional to 79,530, 119,295.72 and 24,126 is: 36,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,530 : 119,295.72 = 24,126 : x
  2. Step 2: Convert to fraction form
    79,530/119,295.72 = 24,126/x
  3. Step 3: Cross multiply
    79,530x = 119,295.72 × 24,126
  4. Step 4: Simplify right side
    79,530x = 2,878,128,540.72
  5. Step 5: Solve for x
    x = 2,878,128,540.72/79,530
  6. Step 6: Final answer
    x = 36,189.22

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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.