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Finding the Fourth Proportional to 451,005.22, 676,032.62 and 166,513.60

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Solution

The fourth proportional to 451,005.22, 676,032.62 and 166,513.60 is: 249,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,005.22 : 676,032.62 = 166,513.60 : x
  2. Step 2: Convert to fraction form
    451,005.22/676,032.62 = 166,513.60/x
  3. Step 3: Cross multiply
    451,005.22x = 676,032.62 × 166,513.60
  4. Step 4: Simplify right side
    451,005.22x = 112,568,621,060.90
  5. Step 5: Solve for x
    x = 112,568,621,060.90/451,005.22
  6. Step 6: Final answer
    x = 249,594.94

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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.