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Finding the Fourth Proportional to 114,703.28, 171,989.28 and 44,500.64

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Solution

The fourth proportional to 114,703.28, 171,989.28 and 44,500.64 is: 66,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,703.28 : 171,989.28 = 44,500.64 : x
  2. Step 2: Convert to fraction form
    114,703.28/171,989.28 = 44,500.64/x
  3. Step 3: Cross multiply
    114,703.28x = 171,989.28 × 44,500.64
  4. Step 4: Simplify right side
    114,703.28x = 7,653,633,033.14
  5. Step 5: Solve for x
    x = 7,653,633,033.14/114,703.28
  6. Step 6: Final answer
    x = 66,725.49

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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.