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Finding the Fourth Proportional to 149,077.28, 223,615.28 and 43,896.16

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Solution

The fourth proportional to 149,077.28, 223,615.28 and 43,896.16 is: 65,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,077.28 : 223,615.28 = 43,896.16 : x
  2. Step 2: Convert to fraction form
    149,077.28/223,615.28 = 43,896.16/x
  3. Step 3: Cross multiply
    149,077.28x = 223,615.28 × 43,896.16
  4. Step 4: Simplify right side
    149,077.28x = 9,815,852,109.32
  5. Step 5: Solve for x
    x = 9,815,852,109.32/149,077.28
  6. Step 6: Final answer
    x = 65,844.05

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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.