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Finding the Fourth Proportional to 119,324.83, 164,668.88 and 65,613.31

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Solution

The fourth proportional to 119,324.83, 164,668.88 and 65,613.31 is: 90,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,324.83 : 164,668.88 = 65,613.31 : x
  2. Step 2: Convert to fraction form
    119,324.83/164,668.88 = 65,613.31/x
  3. Step 3: Cross multiply
    119,324.83x = 164,668.88 × 65,613.31
  4. Step 4: Simplify right side
    119,324.83x = 10,804,470,270.79
  5. Step 5: Solve for x
    x = 10,804,470,270.79/119,324.83
  6. Step 6: Final answer
    x = 90,546.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.