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Finding the Fourth Proportional to 567,342.87, 851,017.05 and 167,991.18

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Solution

The fourth proportional to 567,342.87, 851,017.05 and 167,991.18 is: 251,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,342.87 : 851,017.05 = 167,991.18 : x
  2. Step 2: Convert to fraction form
    567,342.87/851,017.05 = 167,991.18/x
  3. Step 3: Cross multiply
    567,342.87x = 851,017.05 × 167,991.18
  4. Step 4: Simplify right side
    567,342.87x = 142,963,358,429.62
  5. Step 5: Solve for x
    x = 142,963,358,429.62/567,342.87
  6. Step 6: Final answer
    x = 251,987.58

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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.