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Finding the Fourth Proportional to 165,870.62, 248,658.54 and 64,645.22

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Solution

The fourth proportional to 165,870.62, 248,658.54 and 64,645.22 is: 96,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,870.62 : 248,658.54 = 64,645.22 : x
  2. Step 2: Convert to fraction form
    165,870.62/248,658.54 = 64,645.22/x
  3. Step 3: Cross multiply
    165,870.62x = 248,658.54 × 64,645.22
  4. Step 4: Simplify right side
    165,870.62x = 16,074,586,023.18
  5. Step 5: Solve for x
    x = 16,074,586,023.18/165,870.62
  6. Step 6: Final answer
    x = 96,910.39

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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.