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Finding the Fourth Proportional to 114,729.30, 172,027.13 and 44,526.60

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Solution

The fourth proportional to 114,729.30, 172,027.13 and 44,526.60 is: 66,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,729.30 : 172,027.13 = 44,526.60 : x
  2. Step 2: Convert to fraction form
    114,729.30/172,027.13 = 44,526.60/x
  3. Step 3: Cross multiply
    114,729.30x = 172,027.13 × 44,526.60
  4. Step 4: Simplify right side
    114,729.30x = 7,659,782,984.03
  5. Step 5: Solve for x
    x = 7,659,782,984.03/114,729.30
  6. Step 6: Final answer
    x = 66,763.97

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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.