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Finding the Fourth Proportional to 110,459.62, 165,534.99 and 59,749.18

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Solution

The fourth proportional to 110,459.62, 165,534.99 and 59,749.18 is: 89,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,459.62 : 165,534.99 = 59,749.18 : x
  2. Step 2: Convert to fraction form
    110,459.62/165,534.99 = 59,749.18/x
  3. Step 3: Cross multiply
    110,459.62x = 165,534.99 × 59,749.18
  4. Step 4: Simplify right side
    110,459.62x = 9,890,580,263.09
  5. Step 5: Solve for x
    x = 9,890,580,263.09/110,459.62
  6. Step 6: Final answer
    x = 89,540.23

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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.