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Finding the Fourth Proportional to 186,662.80, 280,577.40 and 183,163.60

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Solution

The fourth proportional to 186,662.80, 280,577.40 and 183,163.60 is: 275,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,662.80 : 280,577.40 = 183,163.60 : x
  2. Step 2: Convert to fraction form
    186,662.80/280,577.40 = 183,163.60/x
  3. Step 3: Cross multiply
    186,662.80x = 280,577.40 × 183,163.60
  4. Step 4: Simplify right side
    186,662.80x = 51,391,566,662.64
  5. Step 5: Solve for x
    x = 51,391,566,662.64/186,662.80
  6. Step 6: Final answer
    x = 275,317.67

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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.