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Finding the Fourth Proportional to 182,970.82, 274,268.31 and 70,620.58

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Solution

The fourth proportional to 182,970.82, 274,268.31 and 70,620.58 is: 105,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,970.82 : 274,268.31 = 70,620.58 : x
  2. Step 2: Convert to fraction form
    182,970.82/274,268.31 = 70,620.58/x
  3. Step 3: Cross multiply
    182,970.82x = 274,268.31 × 70,620.58
  4. Step 4: Simplify right side
    182,970.82x = 19,368,987,127.82
  5. Step 5: Solve for x
    x = 19,368,987,127.82/182,970.82
  6. Step 6: Final answer
    x = 105,858.34

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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.