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Finding the Fourth Proportional to 109,047.67, 163,450.51 and 45,849.04

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Solution

The fourth proportional to 109,047.67, 163,450.51 and 45,849.04 is: 68,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,047.67 : 163,450.51 = 45,849.04 : x
  2. Step 2: Convert to fraction form
    109,047.67/163,450.51 = 45,849.04/x
  3. Step 3: Cross multiply
    109,047.67x = 163,450.51 × 45,849.04
  4. Step 4: Simplify right side
    109,047.67x = 7,494,048,447.76
  5. Step 5: Solve for x
    x = 7,494,048,447.76/109,047.67
  6. Step 6: Final answer
    x = 68,722.68

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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.