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Finding the Fourth Proportional to 636,166.80, 954,249.60 and 162,851.40

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Solution

The fourth proportional to 636,166.80, 954,249.60 and 162,851.40 is: 244,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,166.80 : 954,249.60 = 162,851.40 : x
  2. Step 2: Convert to fraction form
    636,166.80/954,249.60 = 162,851.40/x
  3. Step 3: Cross multiply
    636,166.80x = 954,249.60 × 162,851.40
  4. Step 4: Simplify right side
    636,166.80x = 155,400,883,309.44
  5. Step 5: Solve for x
    x = 155,400,883,309.44/636,166.80
  6. Step 6: Final answer
    x = 244,276.95

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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.