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Finding the Fourth Proportional to 228,567.25, 342,784.68 and 68,636.73

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Solution

The fourth proportional to 228,567.25, 342,784.68 and 68,636.73 is: 102,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,567.25 : 342,784.68 = 68,636.73 : x
  2. Step 2: Convert to fraction form
    228,567.25/342,784.68 = 68,636.73/x
  3. Step 3: Cross multiply
    228,567.25x = 342,784.68 × 68,636.73
  4. Step 4: Simplify right side
    228,567.25x = 23,527,619,529.30
  5. Step 5: Solve for x
    x = 23,527,619,529.30/228,567.25
  6. Step 6: Final answer
    x = 102,935.22

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1.5x scale

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.