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Finding the Fourth Proportional to 110,626.59, 165,731.70 and 65,514.45

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Solution

The fourth proportional to 110,626.59, 165,731.70 and 65,514.45 is: 98,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,626.59 : 165,731.70 = 65,514.45 : x
  2. Step 2: Convert to fraction form
    110,626.59/165,731.70 = 65,514.45/x
  3. Step 3: Cross multiply
    110,626.59x = 165,731.70 × 65,514.45
  4. Step 4: Simplify right side
    110,626.59x = 10,857,821,173.07
  5. Step 5: Solve for x
    x = 10,857,821,173.07/110,626.59
  6. Step 6: Final answer
    x = 98,148.39

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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.