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Finding the Fourth Proportional to 167,776.68, 251,752.56 and 68,010.60

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Solution

The fourth proportional to 167,776.68, 251,752.56 and 68,010.60 is: 102,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,776.68 : 251,752.56 = 68,010.60 : x
  2. Step 2: Convert to fraction form
    167,776.68/251,752.56 = 68,010.60/x
  3. Step 3: Cross multiply
    167,776.68x = 251,752.56 × 68,010.60
  4. Step 4: Simplify right side
    167,776.68x = 17,121,842,657.14
  5. Step 5: Solve for x
    x = 17,121,842,657.14/167,776.68
  6. Step 6: Final answer
    x = 102,051.39

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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.