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Finding the Fourth Proportional to 248,418.82, 372,385.23 and 98,609.32

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Solution

The fourth proportional to 248,418.82, 372,385.23 and 98,609.32 is: 147,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,418.82 : 372,385.23 = 98,609.32 : x
  2. Step 2: Convert to fraction form
    248,418.82/372,385.23 = 98,609.32/x
  3. Step 3: Cross multiply
    248,418.82x = 372,385.23 × 98,609.32
  4. Step 4: Simplify right side
    248,418.82x = 36,720,654,308.34
  5. Step 5: Solve for x
    x = 36,720,654,308.34/248,418.82
  6. Step 6: Final answer
    x = 147,817.52

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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.