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Finding the Fourth Proportional to 165,750.64, 248,699.72 and 86,846.41

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Solution

The fourth proportional to 165,750.64, 248,699.72 and 86,846.41 is: 130,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,750.64 : 248,699.72 = 86,846.41 : x
  2. Step 2: Convert to fraction form
    165,750.64/248,699.72 = 86,846.41/x
  3. Step 3: Cross multiply
    165,750.64x = 248,699.72 × 86,846.41
  4. Step 4: Simplify right side
    165,750.64x = 21,598,677,850.01
  5. Step 5: Solve for x
    x = 21,598,677,850.01/165,750.64
  6. Step 6: Final answer
    x = 130,308.26

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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.