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Finding the Fourth Proportional to 110,248.72, 165,164.97 and 65,135.47

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Solution

The fourth proportional to 110,248.72, 165,164.97 and 65,135.47 is: 97,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,248.72 : 165,164.97 = 65,135.47 : x
  2. Step 2: Convert to fraction form
    110,248.72/165,164.97 = 65,135.47/x
  3. Step 3: Cross multiply
    110,248.72x = 165,164.97 × 65,135.47
  4. Step 4: Simplify right side
    110,248.72x = 10,758,097,624.99
  5. Step 5: Solve for x
    x = 10,758,097,624.99/110,248.72
  6. Step 6: Final answer
    x = 97,580.25

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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.