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Finding the Fourth Proportional to 110,151.90, 165,113.94 and 43,500.34

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Solution

The fourth proportional to 110,151.90, 165,113.94 and 43,500.34 is: 65,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,151.90 : 165,113.94 = 43,500.34 : x
  2. Step 2: Convert to fraction form
    110,151.90/165,113.94 = 43,500.34/x
  3. Step 3: Cross multiply
    110,151.90x = 165,113.94 × 43,500.34
  4. Step 4: Simplify right side
    110,151.90x = 7,182,512,898.26
  5. Step 5: Solve for x
    x = 7,182,512,898.26/110,151.90
  6. Step 6: Final answer
    x = 65,205.53

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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.