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Finding the Fourth Proportional to 169,914.75, 254,522.16 and 99,624.57

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Solution

The fourth proportional to 169,914.75, 254,522.16 and 99,624.57 is: 149,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,914.75 : 254,522.16 = 99,624.57 : x
  2. Step 2: Convert to fraction form
    169,914.75/254,522.16 = 99,624.57/x
  3. Step 3: Cross multiply
    169,914.75x = 254,522.16 × 99,624.57
  4. Step 4: Simplify right side
    169,914.75x = 25,356,660,745.47
  5. Step 5: Solve for x
    x = 25,356,660,745.47/169,914.75
  6. Step 6: Final answer
    x = 149,231.66

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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.