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Finding the Fourth Proportional to 114,782.11, 158,418.11 and 95,631.51

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Solution

The fourth proportional to 114,782.11, 158,418.11 and 95,631.51 is: 131,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,782.11 : 158,418.11 = 95,631.51 : x
  2. Step 2: Convert to fraction form
    114,782.11/158,418.11 = 95,631.51/x
  3. Step 3: Cross multiply
    114,782.11x = 158,418.11 × 95,631.51
  4. Step 4: Simplify right side
    114,782.11x = 15,149,763,070.65
  5. Step 5: Solve for x
    x = 15,149,763,070.65/114,782.11
  6. Step 6: Final answer
    x = 131,987.15

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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.