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Finding the Fourth Proportional to 186,843.03, 280,362.96 and 108,012.62

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Solution

The fourth proportional to 186,843.03, 280,362.96 and 108,012.62 is: 162,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,843.03 : 280,362.96 = 108,012.62 : x
  2. Step 2: Convert to fraction form
    186,843.03/280,362.96 = 108,012.62/x
  3. Step 3: Cross multiply
    186,843.03x = 280,362.96 × 108,012.62
  4. Step 4: Simplify right side
    186,843.03x = 30,282,737,860.56
  5. Step 5: Solve for x
    x = 30,282,737,860.56/186,843.03
  6. Step 6: Final answer
    x = 162,075.82

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1.5x scale

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.