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Finding the Fourth Proportional to 149,038.64, 223,559.58 and 43,859.60

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Solution

The fourth proportional to 149,038.64, 223,559.58 and 43,859.60 is: 65,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,038.64 : 223,559.58 = 43,859.60 : x
  2. Step 2: Convert to fraction form
    149,038.64/223,559.58 = 43,859.60/x
  3. Step 3: Cross multiply
    149,038.64x = 223,559.58 × 43,859.60
  4. Step 4: Simplify right side
    149,038.64x = 9,805,233,754.97
  5. Step 5: Solve for x
    x = 9,805,233,754.97/149,038.64
  6. Step 6: Final answer
    x = 65,789.88

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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.