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Finding the Fourth Proportional to 114,372.54, 171,369.11 and 80,926.82

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Solution

The fourth proportional to 114,372.54, 171,369.11 and 80,926.82 is: 121,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,372.54 : 171,369.11 = 80,926.82 : x
  2. Step 2: Convert to fraction form
    114,372.54/171,369.11 = 80,926.82/x
  3. Step 3: Cross multiply
    114,372.54x = 171,369.11 × 80,926.82
  4. Step 4: Simplify right side
    114,372.54x = 13,868,357,118.53
  5. Step 5: Solve for x
    x = 13,868,357,118.53/114,372.54
  6. Step 6: Final answer
    x = 121,256.00

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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.