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Finding the Fourth Proportional to 308,301.58, 462,514.34 and 108,763.35

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Solution

The fourth proportional to 308,301.58, 462,514.34 and 108,763.35 is: 163,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,301.58 : 462,514.34 = 108,763.35 : x
  2. Step 2: Convert to fraction form
    308,301.58/462,514.34 = 108,763.35/x
  3. Step 3: Cross multiply
    308,301.58x = 462,514.34 × 108,763.35
  4. Step 4: Simplify right side
    308,301.58x = 50,304,609,041.44
  5. Step 5: Solve for x
    x = 50,304,609,041.44/308,301.58
  6. Step 6: Final answer
    x = 163,166.89

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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.