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Finding the Fourth Proportional to 114,468.44, 171,496.71 and 107,715.87

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Solution

The fourth proportional to 114,468.44, 171,496.71 and 107,715.87 is: 161,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,468.44 : 171,496.71 = 107,715.87 : x
  2. Step 2: Convert to fraction form
    114,468.44/171,496.71 = 107,715.87/x
  3. Step 3: Cross multiply
    114,468.44x = 171,496.71 × 107,715.87
  4. Step 4: Simplify right side
    114,468.44x = 18,472,917,319.79
  5. Step 5: Solve for x
    x = 18,472,917,319.79/114,468.44
  6. Step 6: Final answer
    x = 161,380.01

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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.