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Finding the Fourth Proportional to 308,673.54, 462,962.84 and 84,051.32

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Solution

The fourth proportional to 308,673.54, 462,962.84 and 84,051.32 is: 126,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,673.54 : 462,962.84 = 84,051.32 : x
  2. Step 2: Convert to fraction form
    308,673.54/462,962.84 = 84,051.32/x
  3. Step 3: Cross multiply
    308,673.54x = 462,962.84 × 84,051.32
  4. Step 4: Simplify right side
    308,673.54x = 38,912,635,077.88
  5. Step 5: Solve for x
    x = 38,912,635,077.88/308,673.54
  6. Step 6: Final answer
    x = 126,064.05

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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.