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Finding the Fourth Proportional to 168,599.25, 252,994.51 and 61,969.33

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Solution

The fourth proportional to 168,599.25, 252,994.51 and 61,969.33 is: 92,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,599.25 : 252,994.51 = 61,969.33 : x
  2. Step 2: Convert to fraction form
    168,599.25/252,994.51 = 61,969.33/x
  3. Step 3: Cross multiply
    168,599.25x = 252,994.51 × 61,969.33
  4. Step 4: Simplify right side
    168,599.25x = 15,677,900,134.82
  5. Step 5: Solve for x
    x = 15,677,900,134.82/168,599.25
  6. Step 6: Final answer
    x = 92,989.15

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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.