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Finding the Fourth Proportional to 177,399.66, 244,809.52 and 100,916.97

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Solution

The fourth proportional to 177,399.66, 244,809.52 and 100,916.97 is: 139,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,399.66 : 244,809.52 = 100,916.97 : x
  2. Step 2: Convert to fraction form
    177,399.66/244,809.52 = 100,916.97/x
  3. Step 3: Cross multiply
    177,399.66x = 244,809.52 × 100,916.97
  4. Step 4: Simplify right side
    177,399.66x = 24,705,434,985.55
  5. Step 5: Solve for x
    x = 24,705,434,985.55/177,399.66
  6. Step 6: Final answer
    x = 139,264.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.