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Finding the Fourth Proportional to 175,374.80, 263,081.40 and 169,845.20

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Solution

The fourth proportional to 175,374.80, 263,081.40 and 169,845.20 is: 254,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,374.80 : 263,081.40 = 169,845.20 : x
  2. Step 2: Convert to fraction form
    175,374.80/263,081.40 = 169,845.20/x
  3. Step 3: Cross multiply
    175,374.80x = 263,081.40 × 169,845.20
  4. Step 4: Simplify right side
    175,374.80x = 44,683,112,999.28
  5. Step 5: Solve for x
    x = 44,683,112,999.28/175,374.80
  6. Step 6: Final answer
    x = 254,786.39

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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.