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Finding the Fourth Proportional to 165,858.01, 248,639.68 and 64,632.63

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Solution

The fourth proportional to 165,858.01, 248,639.68 and 64,632.63 is: 96,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,858.01 : 248,639.68 = 64,632.63 : x
  2. Step 2: Convert to fraction form
    165,858.01/248,639.68 = 64,632.63/x
  3. Step 3: Cross multiply
    165,858.01x = 248,639.68 × 64,632.63
  4. Step 4: Simplify right side
    165,858.01x = 16,070,236,872.74
  5. Step 5: Solve for x
    x = 16,070,236,872.74/165,858.01
  6. Step 6: Final answer
    x = 96,891.53

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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.