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Finding the Fourth Proportional to 308,615.08, 462,959.88 and 108,894.46

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Solution

The fourth proportional to 308,615.08, 462,959.88 and 108,894.46 is: 163,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,615.08 : 462,959.88 = 108,894.46 : x
  2. Step 2: Convert to fraction form
    308,615.08/462,959.88 = 108,894.46/x
  3. Step 3: Cross multiply
    308,615.08x = 462,959.88 × 108,894.46
  4. Step 4: Simplify right side
    308,615.08x = 50,413,766,134.26
  5. Step 5: Solve for x
    x = 50,413,766,134.26/308,615.08
  6. Step 6: Final answer
    x = 163,354.84

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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.