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Finding the Fourth Proportional to 181,222.90, 271,567.05 and 131,407.90

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Solution

The fourth proportional to 181,222.90, 271,567.05 and 131,407.90 is: 196,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,222.90 : 271,567.05 = 131,407.90 : x
  2. Step 2: Convert to fraction form
    181,222.90/271,567.05 = 131,407.90/x
  3. Step 3: Cross multiply
    181,222.90x = 271,567.05 × 131,407.90
  4. Step 4: Simplify right side
    181,222.90x = 35,686,055,749.70
  5. Step 5: Solve for x
    x = 35,686,055,749.70/181,222.90
  6. Step 6: Final answer
    x = 196,918.03

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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.