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Finding the Fourth Proportional to 163,363.80, 244,916.10 and 89,491.80

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Solution

The fourth proportional to 163,363.80, 244,916.10 and 89,491.80 is: 134,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,363.80 : 244,916.10 = 89,491.80 : x
  2. Step 2: Convert to fraction form
    163,363.80/244,916.10 = 89,491.80/x
  3. Step 3: Cross multiply
    163,363.80x = 244,916.10 × 89,491.80
  4. Step 4: Simplify right side
    163,363.80x = 21,917,982,637.98
  5. Step 5: Solve for x
    x = 21,917,982,637.98/163,363.80
  6. Step 6: Final answer
    x = 134,166.70

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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.