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Finding the Fourth Proportional to 209,596.01, 289,233.79 and 114,102.78

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Solution

The fourth proportional to 209,596.01, 289,233.79 and 114,102.78 is: 157,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,596.01 : 289,233.79 = 114,102.78 : x
  2. Step 2: Convert to fraction form
    209,596.01/289,233.79 = 114,102.78/x
  3. Step 3: Cross multiply
    209,596.01x = 289,233.79 × 114,102.78
  4. Step 4: Simplify right side
    209,596.01x = 33,002,378,139.05
  5. Step 5: Solve for x
    x = 33,002,378,139.05/209,596.01
  6. Step 6: Final answer
    x = 157,457.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.