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Finding the Fourth Proportional to 163,351.49, 245,044.17 and 45,022.85

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Solution

The fourth proportional to 163,351.49, 245,044.17 and 45,022.85 is: 67,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,351.49 : 245,044.17 = 45,022.85 : x
  2. Step 2: Convert to fraction form
    163,351.49/245,044.17 = 45,022.85/x
  3. Step 3: Cross multiply
    163,351.49x = 245,044.17 × 45,022.85
  4. Step 4: Simplify right side
    163,351.49x = 11,032,586,909.28
  5. Step 5: Solve for x
    x = 11,032,586,909.28/163,351.49
  6. Step 6: Final answer
    x = 67,538.94

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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.