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Finding the Fourth Proportional to 265,066.12, 397,726.92 and 131,958.12

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Solution

The fourth proportional to 265,066.12, 397,726.92 and 131,958.12 is: 198,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,066.12 : 397,726.92 = 131,958.12 : x
  2. Step 2: Convert to fraction form
    265,066.12/397,726.92 = 131,958.12/x
  3. Step 3: Cross multiply
    265,066.12x = 397,726.92 × 131,958.12
  4. Step 4: Simplify right side
    265,066.12x = 52,483,296,636.59
  5. Step 5: Solve for x
    x = 52,483,296,636.59/265,066.12
  6. Step 6: Final answer
    x = 198,000.77

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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.