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Finding the Fourth Proportional to 186,808.73, 280,295.31 and 98,040.83

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Solution

The fourth proportional to 186,808.73, 280,295.31 and 98,040.83 is: 147,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,808.73 : 280,295.31 = 98,040.83 : x
  2. Step 2: Convert to fraction form
    186,808.73/280,295.31 = 98,040.83/x
  3. Step 3: Cross multiply
    186,808.73x = 280,295.31 × 98,040.83
  4. Step 4: Simplify right side
    186,808.73x = 27,480,384,837.51
  5. Step 5: Solve for x
    x = 27,480,384,837.51/186,808.73
  6. Step 6: Final answer
    x = 147,104.39

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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.