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Finding the Fourth Proportional to 188,371.54, 282,534.93 and 61,980.44

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Solution

The fourth proportional to 188,371.54, 282,534.93 and 61,980.44 is: 92,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,371.54 : 282,534.93 = 61,980.44 : x
  2. Step 2: Convert to fraction form
    188,371.54/282,534.93 = 61,980.44/x
  3. Step 3: Cross multiply
    188,371.54x = 282,534.93 × 61,980.44
  4. Step 4: Simplify right side
    188,371.54x = 17,511,639,983.11
  5. Step 5: Solve for x
    x = 17,511,639,983.11/188,371.54
  6. Step 6: Final answer
    x = 92,963.30

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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.