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Finding the Fourth Proportional to 172,382.04, 237,908.88 and 96,930

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Solution

The fourth proportional to 172,382.04, 237,908.88 and 96,930 is: 133,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,382.04 : 237,908.88 = 96,930 : x
  2. Step 2: Convert to fraction form
    172,382.04/237,908.88 = 96,930/x
  3. Step 3: Cross multiply
    172,382.04x = 237,908.88 × 96,930
  4. Step 4: Simplify right side
    172,382.04x = 23,060,507,738.40
  5. Step 5: Solve for x
    x = 23,060,507,738.40/172,382.04
  6. Step 6: Final answer
    x = 133,775.58

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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.