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Finding the Fourth Proportional to 67,187.52, 100,790.54 and 22,802.36

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Solution

The fourth proportional to 67,187.52, 100,790.54 and 22,802.36 is: 34,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,187.52 : 100,790.54 = 22,802.36 : x
  2. Step 2: Convert to fraction form
    67,187.52/100,790.54 = 22,802.36/x
  3. Step 3: Cross multiply
    67,187.52x = 100,790.54 × 22,802.36
  4. Step 4: Simplify right side
    67,187.52x = 2,298,261,730.73
  5. Step 5: Solve for x
    x = 2,298,261,730.73/67,187.52
  6. Step 6: Final answer
    x = 34,206.68

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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.