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Finding the Fourth Proportional to 110,573.79, 165,871.44 and 43,998.36

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Solution

The fourth proportional to 110,573.79, 165,871.44 and 43,998.36 is: 66,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,573.79 : 165,871.44 = 43,998.36 : x
  2. Step 2: Convert to fraction form
    110,573.79/165,871.44 = 43,998.36/x
  3. Step 3: Cross multiply
    110,573.79x = 165,871.44 × 43,998.36
  4. Step 4: Simplify right side
    110,573.79x = 7,298,071,330.84
  5. Step 5: Solve for x
    x = 7,298,071,330.84/110,573.79
  6. Step 6: Final answer
    x = 66,001.82

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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.