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Finding the Fourth Proportional to 170,994.60, 256,504.80 and 51,042.08

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Solution

The fourth proportional to 170,994.60, 256,504.80 and 51,042.08 is: 76,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,994.60 : 256,504.80 = 51,042.08 : x
  2. Step 2: Convert to fraction form
    170,994.60/256,504.80 = 51,042.08/x
  3. Step 3: Cross multiply
    170,994.60x = 256,504.80 × 51,042.08
  4. Step 4: Simplify right side
    170,994.60x = 13,092,539,163.25
  5. Step 5: Solve for x
    x = 13,092,539,163.25/170,994.60
  6. Step 6: Final answer
    x = 76,566.97

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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.