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Finding the Fourth Proportional to 172,672.97, 238,267.01 and 96,172.79

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Solution

The fourth proportional to 172,672.97, 238,267.01 and 96,172.79 is: 132,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,672.97 : 238,267.01 = 96,172.79 : x
  2. Step 2: Convert to fraction form
    172,672.97/238,267.01 = 96,172.79/x
  3. Step 3: Cross multiply
    172,672.97x = 238,267.01 × 96,172.79
  4. Step 4: Simplify right side
    172,672.97x = 22,914,803,116.66
  5. Step 5: Solve for x
    x = 22,914,803,116.66/172,672.97
  6. Step 6: Final answer
    x = 132,706.37

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1.5x scale

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.