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Finding the Fourth Proportional to 248,514.90, 372,820.95 and 106,359.90

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Solution

The fourth proportional to 248,514.90, 372,820.95 and 106,359.90 is: 159,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,514.90 : 372,820.95 = 106,359.90 : x
  2. Step 2: Convert to fraction form
    248,514.90/372,820.95 = 106,359.90/x
  3. Step 3: Cross multiply
    248,514.90x = 372,820.95 × 106,359.90
  4. Step 4: Simplify right side
    248,514.90x = 39,653,198,959.91
  5. Step 5: Solve for x
    x = 39,653,198,959.91/248,514.90
  6. Step 6: Final answer
    x = 159,560.65

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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.