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Finding the Fourth Proportional to 248,429.78, 372,636.72 and 104,411.90

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Solution

The fourth proportional to 248,429.78, 372,636.72 and 104,411.90 is: 156,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,429.78 : 372,636.72 = 104,411.90 : x
  2. Step 2: Convert to fraction form
    248,429.78/372,636.72 = 104,411.90/x
  3. Step 3: Cross multiply
    248,429.78x = 372,636.72 × 104,411.90
  4. Step 4: Simplify right side
    248,429.78x = 38,907,707,944.97
  5. Step 5: Solve for x
    x = 38,907,707,944.97/248,429.78
  6. Step 6: Final answer
    x = 156,614.51

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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.