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Finding the Fourth Proportional to 111,735.63, 167,603.01 and 45,174.96

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Solution

The fourth proportional to 111,735.63, 167,603.01 and 45,174.96 is: 67,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,735.63 : 167,603.01 = 45,174.96 : x
  2. Step 2: Convert to fraction form
    111,735.63/167,603.01 = 45,174.96/x
  3. Step 3: Cross multiply
    111,735.63x = 167,603.01 × 45,174.96
  4. Step 4: Simplify right side
    111,735.63x = 7,571,459,272.63
  5. Step 5: Solve for x
    x = 7,571,459,272.63/111,735.63
  6. Step 6: Final answer
    x = 67,762.26

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1.5x scale

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.