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Finding the Fourth Proportional to 248,291.90, 372,435.24 and 164,427.28

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Solution

The fourth proportional to 248,291.90, 372,435.24 and 164,427.28 is: 246,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,291.90 : 372,435.24 = 164,427.28 : x
  2. Step 2: Convert to fraction form
    248,291.90/372,435.24 = 164,427.28/x
  3. Step 3: Cross multiply
    248,291.90x = 372,435.24 × 164,427.28
  4. Step 4: Simplify right side
    248,291.90x = 61,238,514,414.56
  5. Step 5: Solve for x
    x = 61,238,514,414.56/248,291.90
  6. Step 6: Final answer
    x = 246,639.20

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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.