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Finding the Fourth Proportional to 110,062.82, 165,000.98 and 43,549.87

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Solution

The fourth proportional to 110,062.82, 165,000.98 and 43,549.87 is: 65,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,062.82 : 165,000.98 = 43,549.87 : x
  2. Step 2: Convert to fraction form
    110,062.82/165,000.98 = 43,549.87/x
  3. Step 3: Cross multiply
    110,062.82x = 165,000.98 × 43,549.87
  4. Step 4: Simplify right side
    110,062.82x = 7,185,771,228.87
  5. Step 5: Solve for x
    x = 7,185,771,228.87/110,062.82
  6. Step 6: Final answer
    x = 65,287.91

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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.