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Finding the Fourth Proportional to 237,189.71, 327,336.32 and 136,620.11

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Solution

The fourth proportional to 237,189.71, 327,336.32 and 136,620.11 is: 188,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,189.71 : 327,336.32 = 136,620.11 : x
  2. Step 2: Convert to fraction form
    237,189.71/327,336.32 = 136,620.11/x
  3. Step 3: Cross multiply
    237,189.71x = 327,336.32 × 136,620.11
  4. Step 4: Simplify right side
    237,189.71x = 44,720,724,045.40
  5. Step 5: Solve for x
    x = 44,720,724,045.40/237,189.71
  6. Step 6: Final answer
    x = 188,544.12

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Why These Related Problems?

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