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Finding the Fourth Proportional to 248,343.14, 372,514.72 and 108,101.76

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Solution

The fourth proportional to 248,343.14, 372,514.72 and 108,101.76 is: 162,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,343.14 : 372,514.72 = 108,101.76 : x
  2. Step 2: Convert to fraction form
    248,343.14/372,514.72 = 108,101.76/x
  3. Step 3: Cross multiply
    248,343.14x = 372,514.72 × 108,101.76
  4. Step 4: Simplify right side
    248,343.14x = 40,269,496,857.91
  5. Step 5: Solve for x
    x = 40,269,496,857.91/248,343.14
  6. Step 6: Final answer
    x = 162,152.64

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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.