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Finding the Fourth Proportional to 172,301.97, 237,787.61 and 96,855.33

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Solution

The fourth proportional to 172,301.97, 237,787.61 and 96,855.33 is: 133,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,301.97 : 237,787.61 = 96,855.33 : x
  2. Step 2: Convert to fraction form
    172,301.97/237,787.61 = 96,855.33/x
  3. Step 3: Cross multiply
    172,301.97x = 237,787.61 × 96,855.33
  4. Step 4: Simplify right side
    172,301.97x = 23,030,996,952.18
  5. Step 5: Solve for x
    x = 23,030,996,952.18/172,301.97
  6. Step 6: Final answer
    x = 133,666.47

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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.