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Finding the Fourth Proportional to 372,794.40, 559,097.78 and 106,556.31

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Solution

The fourth proportional to 372,794.40, 559,097.78 and 106,556.31 is: 159,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,794.40 : 559,097.78 = 106,556.31 : x
  2. Step 2: Convert to fraction form
    372,794.40/559,097.78 = 106,556.31/x
  3. Step 3: Cross multiply
    372,794.40x = 559,097.78 × 106,556.31
  4. Step 4: Simplify right side
    372,794.40x = 59,575,395,833.21
  5. Step 5: Solve for x
    x = 59,575,395,833.21/372,794.40
  6. Step 6: Final answer
    x = 159,807.65

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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.