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Finding the Fourth Proportional to 221,862.90, 332,599.95 and 133,022.10

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Solution

The fourth proportional to 221,862.90, 332,599.95 and 133,022.10 is: 199,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,862.90 : 332,599.95 = 133,022.10 : x
  2. Step 2: Convert to fraction form
    221,862.90/332,599.95 = 133,022.10/x
  3. Step 3: Cross multiply
    221,862.90x = 332,599.95 × 133,022.10
  4. Step 4: Simplify right side
    221,862.90x = 44,243,143,808.90
  5. Step 5: Solve for x
    x = 44,243,143,808.90/221,862.90
  6. Step 6: Final answer
    x = 199,416.59

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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.