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Finding the Fourth Proportional to 240,668.18, 332,109.47 and 131,751.64

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Solution

The fourth proportional to 240,668.18, 332,109.47 and 131,751.64 is: 181,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,668.18 : 332,109.47 = 131,751.64 : x
  2. Step 2: Convert to fraction form
    240,668.18/332,109.47 = 131,751.64/x
  3. Step 3: Cross multiply
    240,668.18x = 332,109.47 × 131,751.64
  4. Step 4: Simplify right side
    240,668.18x = 43,755,966,673.27
  5. Step 5: Solve for x
    x = 43,755,966,673.27/240,668.18
  6. Step 6: Final answer
    x = 181,810.35

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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.