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Finding the Fourth Proportional to 122,613, 182,846.52 and 121,491.96

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Solution

The fourth proportional to 122,613, 182,846.52 and 121,491.96 is: 181,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,613 : 182,846.52 = 121,491.96 : x
  2. Step 2: Convert to fraction form
    122,613/182,846.52 = 121,491.96/x
  3. Step 3: Cross multiply
    122,613x = 182,846.52 × 121,491.96
  4. Step 4: Simplify right side
    122,613x = 22,214,382,093.98
  5. Step 5: Solve for x
    x = 22,214,382,093.98/122,613
  6. Step 6: Final answer
    x = 181,174.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.