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Finding the Fourth Proportional to 157,227.66, 216,940.41 and 93,553.02

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Solution

The fourth proportional to 157,227.66, 216,940.41 and 93,553.02 is: 129,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,227.66 : 216,940.41 = 93,553.02 : x
  2. Step 2: Convert to fraction form
    157,227.66/216,940.41 = 93,553.02/x
  3. Step 3: Cross multiply
    157,227.66x = 216,940.41 × 93,553.02
  4. Step 4: Simplify right side
    157,227.66x = 20,295,430,515.54
  5. Step 5: Solve for x
    x = 20,295,430,515.54/157,227.66
  6. Step 6: Final answer
    x = 129,083.08

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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.