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Finding the Fourth Proportional to 248,640.41, 372,749.77 and 88,668.19

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Solution

The fourth proportional to 248,640.41, 372,749.77 and 88,668.19 is: 132,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,640.41 : 372,749.77 = 88,668.19 : x
  2. Step 2: Convert to fraction form
    248,640.41/372,749.77 = 88,668.19/x
  3. Step 3: Cross multiply
    248,640.41x = 372,749.77 × 88,668.19
  4. Step 4: Simplify right side
    248,640.41x = 33,051,049,303.33
  5. Step 5: Solve for x
    x = 33,051,049,303.33/248,640.41
  6. Step 6: Final answer
    x = 132,927.10

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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.