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Finding the Fourth Proportional to 149,074.60, 223,617.30 and 43,904.20

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Solution

The fourth proportional to 149,074.60, 223,617.30 and 43,904.20 is: 65,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,074.60 : 223,617.30 = 43,904.20 : x
  2. Step 2: Convert to fraction form
    149,074.60/223,617.30 = 43,904.20/x
  3. Step 3: Cross multiply
    149,074.60x = 223,617.30 × 43,904.20
  4. Step 4: Simplify right side
    149,074.60x = 9,817,738,662.66
  5. Step 5: Solve for x
    x = 9,817,738,662.66/149,074.60
  6. Step 6: Final answer
    x = 65,857.89

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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.