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Finding the Fourth Proportional to 188,297.84, 282,563.40 and 168,935.60

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Solution

The fourth proportional to 188,297.84, 282,563.40 and 168,935.60 is: 253,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,297.84 : 282,563.40 = 168,935.60 : x
  2. Step 2: Convert to fraction form
    188,297.84/282,563.40 = 168,935.60/x
  3. Step 3: Cross multiply
    188,297.84x = 282,563.40 × 168,935.60
  4. Step 4: Simplify right side
    188,297.84x = 47,735,017,517.04
  5. Step 5: Solve for x
    x = 47,735,017,517.04/188,297.84
  6. Step 6: Final answer
    x = 253,508.05

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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.