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Finding the Fourth Proportional to 110,922.23, 153,104.07 and 65,615.96

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Solution

The fourth proportional to 110,922.23, 153,104.07 and 65,615.96 is: 90,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,922.23 : 153,104.07 = 65,615.96 : x
  2. Step 2: Convert to fraction form
    110,922.23/153,104.07 = 65,615.96/x
  3. Step 3: Cross multiply
    110,922.23x = 153,104.07 × 65,615.96
  4. Step 4: Simplify right side
    110,922.23x = 10,046,070,635.05
  5. Step 5: Solve for x
    x = 10,046,070,635.05/110,922.23
  6. Step 6: Final answer
    x = 90,568.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.