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Finding the Fourth Proportional to 378,315.53, 567,556.32 and 112,096.88

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Solution

The fourth proportional to 378,315.53, 567,556.32 and 112,096.88 is: 168,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,315.53 : 567,556.32 = 112,096.88 : x
  2. Step 2: Convert to fraction form
    378,315.53/567,556.32 = 112,096.88/x
  3. Step 3: Cross multiply
    378,315.53x = 567,556.32 × 112,096.88
  4. Step 4: Simplify right side
    378,315.53x = 63,621,292,696.28
  5. Step 5: Solve for x
    x = 63,621,292,696.28/378,315.53
  6. Step 6: Final answer
    x = 168,169.92

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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.