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Finding the Fourth Proportional to 216,662.62, 325,107.27 and 88,673.92

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Solution

The fourth proportional to 216,662.62, 325,107.27 and 88,673.92 is: 133,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,662.62 : 325,107.27 = 88,673.92 : x
  2. Step 2: Convert to fraction form
    216,662.62/325,107.27 = 88,673.92/x
  3. Step 3: Cross multiply
    216,662.62x = 325,107.27 × 88,673.92
  4. Step 4: Simplify right side
    216,662.62x = 28,828,536,051.40
  5. Step 5: Solve for x
    x = 28,828,536,051.40/216,662.62
  6. Step 6: Final answer
    x = 133,057.27

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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.