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Finding the Fourth Proportional to 79,529.63, 119,291.33 and 26,939.11

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Solution

The fourth proportional to 79,529.63, 119,291.33 and 26,939.11 is: 40,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,529.63 : 119,291.33 = 26,939.11 : x
  2. Step 2: Convert to fraction form
    79,529.63/119,291.33 = 26,939.11/x
  3. Step 3: Cross multiply
    79,529.63x = 119,291.33 × 26,939.11
  4. Step 4: Simplify right side
    79,529.63x = 3,213,602,126.22
  5. Step 5: Solve for x
    x = 3,213,602,126.22/79,529.63
  6. Step 6: Final answer
    x = 40,407.61

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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.