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Finding the Fourth Proportional to 172,491.24, 238,042.54 and 94,969.25

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Solution

The fourth proportional to 172,491.24, 238,042.54 and 94,969.25 is: 131,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,491.24 : 238,042.54 = 94,969.25 : x
  2. Step 2: Convert to fraction form
    172,491.24/238,042.54 = 94,969.25/x
  3. Step 3: Cross multiply
    172,491.24x = 238,042.54 × 94,969.25
  4. Step 4: Simplify right side
    172,491.24x = 22,606,721,491.90
  5. Step 5: Solve for x
    x = 22,606,721,491.90/172,491.24
  6. Step 6: Final answer
    x = 131,060.11

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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.