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Finding the Fourth Proportional to 114,671.56, 172,018.20 and 44,556.28

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Solution

The fourth proportional to 114,671.56, 172,018.20 and 44,556.28 is: 66,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,671.56 : 172,018.20 = 44,556.28 : x
  2. Step 2: Convert to fraction form
    114,671.56/172,018.20 = 44,556.28/x
  3. Step 3: Cross multiply
    114,671.56x = 172,018.20 × 44,556.28
  4. Step 4: Simplify right side
    114,671.56x = 7,664,491,084.30
  5. Step 5: Solve for x
    x = 7,664,491,084.30/114,671.56
  6. Step 6: Final answer
    x = 66,838.64

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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.