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Finding the Fourth Proportional to 183,632.40, 274,865.40 and 131,144.40

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Solution

The fourth proportional to 183,632.40, 274,865.40 and 131,144.40 is: 196,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,632.40 : 274,865.40 = 131,144.40 : x
  2. Step 2: Convert to fraction form
    183,632.40/274,865.40 = 131,144.40/x
  3. Step 3: Cross multiply
    183,632.40x = 274,865.40 × 131,144.40
  4. Step 4: Simplify right side
    183,632.40x = 36,047,057,963.76
  5. Step 5: Solve for x
    x = 36,047,057,963.76/183,632.40
  6. Step 6: Final answer
    x = 196,300.10

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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.