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Finding the Fourth Proportional to 186,763.73, 280,163.01 and 74,416.73

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Solution

The fourth proportional to 186,763.73, 280,163.01 and 74,416.73 is: 111,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,763.73 : 280,163.01 = 74,416.73 : x
  2. Step 2: Convert to fraction form
    186,763.73/280,163.01 = 74,416.73/x
  3. Step 3: Cross multiply
    186,763.73x = 280,163.01 × 74,416.73
  4. Step 4: Simplify right side
    186,763.73x = 20,848,815,071.16
  5. Step 5: Solve for x
    x = 20,848,815,071.16/186,763.73
  6. Step 6: Final answer
    x = 111,632.03

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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.