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Finding the Fourth Proportional to 171,881.16, 237,311.64 and 131,522.88

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Solution

The fourth proportional to 171,881.16, 237,311.64 and 131,522.88 is: 181,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,881.16 : 237,311.64 = 131,522.88 : x
  2. Step 2: Convert to fraction form
    171,881.16/237,311.64 = 131,522.88/x
  3. Step 3: Cross multiply
    171,881.16x = 237,311.64 × 131,522.88
  4. Step 4: Simplify right side
    171,881.16x = 31,211,910,350.32
  5. Step 5: Solve for x
    x = 31,211,910,350.32/171,881.16
  6. Step 6: Final answer
    x = 181,590.06

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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.