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Finding the Fourth Proportional to 114,914.70, 172,052.10 and 58,633.20

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Solution

The fourth proportional to 114,914.70, 172,052.10 and 58,633.20 is: 87,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,914.70 : 172,052.10 = 58,633.20 : x
  2. Step 2: Convert to fraction form
    114,914.70/172,052.10 = 58,633.20/x
  3. Step 3: Cross multiply
    114,914.70x = 172,052.10 × 58,633.20
  4. Step 4: Simplify right side
    114,914.70x = 10,087,965,189.72
  5. Step 5: Solve for x
    x = 10,087,965,189.72/114,914.70
  6. Step 6: Final answer
    x = 87,786.55

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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.