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Finding the Fourth Proportional to 116,525.70, 174,762.42 and 45,450.06

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Solution

The fourth proportional to 116,525.70, 174,762.42 and 45,450.06 is: 68,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,525.70 : 174,762.42 = 45,450.06 : x
  2. Step 2: Convert to fraction form
    116,525.70/174,762.42 = 45,450.06/x
  3. Step 3: Cross multiply
    116,525.70x = 174,762.42 × 45,450.06
  4. Step 4: Simplify right side
    116,525.70x = 7,942,962,474.75
  5. Step 5: Solve for x
    x = 7,942,962,474.75/116,525.70
  6. Step 6: Final answer
    x = 68,164.90

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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.