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Finding the Fourth Proportional to 110,062.58, 165,000.61 and 43,549.63

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Solution

The fourth proportional to 110,062.58, 165,000.61 and 43,549.63 is: 65,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,062.58 : 165,000.61 = 43,549.63 : x
  2. Step 2: Convert to fraction form
    110,062.58/165,000.61 = 43,549.63/x
  3. Step 3: Cross multiply
    110,062.58x = 165,000.61 × 43,549.63
  4. Step 4: Simplify right side
    110,062.58x = 7,185,714,993.90
  5. Step 5: Solve for x
    x = 7,185,714,993.90/110,062.58
  6. Step 6: Final answer
    x = 65,287.54

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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.