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Finding the Fourth Proportional to 114,880.68, 172,321.02 and 68,108.04

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Solution

The fourth proportional to 114,880.68, 172,321.02 and 68,108.04 is: 102,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,880.68 : 172,321.02 = 68,108.04 : x
  2. Step 2: Convert to fraction form
    114,880.68/172,321.02 = 68,108.04/x
  3. Step 3: Cross multiply
    114,880.68x = 172,321.02 × 68,108.04
  4. Step 4: Simplify right side
    114,880.68x = 11,736,446,923.00
  5. Step 5: Solve for x
    x = 11,736,446,923.00/114,880.68
  6. Step 6: Final answer
    x = 102,162.06

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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.