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Finding the Fourth Proportional to 282,025.92, 423,032.92 and 68,794.52

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Solution

The fourth proportional to 282,025.92, 423,032.92 and 68,794.52 is: 103,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,025.92 : 423,032.92 = 68,794.52 : x
  2. Step 2: Convert to fraction form
    282,025.92/423,032.92 = 68,794.52/x
  3. Step 3: Cross multiply
    282,025.92x = 423,032.92 × 68,794.52
  4. Step 4: Simplify right side
    282,025.92x = 29,102,346,675.60
  5. Step 5: Solve for x
    x = 29,102,346,675.60/282,025.92
  6. Step 6: Final answer
    x = 103,190.33

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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.