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Finding the Fourth Proportional to 110,030, 165,045 and 60,782

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Solution

The fourth proportional to 110,030, 165,045 and 60,782 is: 91,173

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,030 : 165,045 = 60,782 : x
  2. Step 2: Convert to fraction form
    110,030/165,045 = 60,782/x
  3. Step 3: Cross multiply
    110,030x = 165,045 × 60,782
  4. Step 4: Simplify right side
    110,030x = 10,031,765,190
  5. Step 5: Solve for x
    x = 10,031,765,190/110,030
  6. Step 6: Final answer
    x = 91,173

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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.