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Finding the Fourth Proportional to 186,069.89, 279,197.15 and 73,747.67

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Solution

The fourth proportional to 186,069.89, 279,197.15 and 73,747.67 is: 110,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,069.89 : 279,197.15 = 73,747.67 : x
  2. Step 2: Convert to fraction form
    186,069.89/279,197.15 = 73,747.67/x
  3. Step 3: Cross multiply
    186,069.89x = 279,197.15 × 73,747.67
  4. Step 4: Simplify right side
    186,069.89x = 20,590,137,518.42
  5. Step 5: Solve for x
    x = 20,590,137,518.42/186,069.89
  6. Step 6: Final answer
    x = 110,658.08

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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.