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Finding the Fourth Proportional to 221,898.90, 332,653.95 and 133,058.10

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Solution

The fourth proportional to 221,898.90, 332,653.95 and 133,058.10 is: 199,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,898.90 : 332,653.95 = 133,058.10 : x
  2. Step 2: Convert to fraction form
    221,898.90/332,653.95 = 133,058.10/x
  3. Step 3: Cross multiply
    221,898.90x = 332,653.95 × 133,058.10
  4. Step 4: Simplify right side
    221,898.90x = 44,262,302,544.50
  5. Step 5: Solve for x
    x = 44,262,302,544.50/221,898.90
  6. Step 6: Final answer
    x = 199,470.58

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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.