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Finding the Fourth Proportional to 110,263.91, 165,450.51 and 43,702.56

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Solution

The fourth proportional to 110,263.91, 165,450.51 and 43,702.56 is: 65,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,263.91 : 165,450.51 = 43,702.56 : x
  2. Step 2: Convert to fraction form
    110,263.91/165,450.51 = 43,702.56/x
  3. Step 3: Cross multiply
    110,263.91x = 165,450.51 × 43,702.56
  4. Step 4: Simplify right side
    110,263.91x = 7,230,610,840.31
  5. Step 5: Solve for x
    x = 7,230,610,840.31/110,263.91
  6. Step 6: Final answer
    x = 65,575.50

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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.