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Finding the Fourth Proportional to 114,164.94, 157,589.40 and 68,844.84

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Solution

The fourth proportional to 114,164.94, 157,589.40 and 68,844.84 is: 95,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,164.94 : 157,589.40 = 68,844.84 : x
  2. Step 2: Convert to fraction form
    114,164.94/157,589.40 = 68,844.84/x
  3. Step 3: Cross multiply
    114,164.94x = 157,589.40 × 68,844.84
  4. Step 4: Simplify right side
    114,164.94x = 10,849,217,028.70
  5. Step 5: Solve for x
    x = 10,849,217,028.70/114,164.94
  6. Step 6: Final answer
    x = 95,031.08

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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.