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Finding the Fourth Proportional to 171,639, 236,871.54 and 96,192.36

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Solution

The fourth proportional to 171,639, 236,871.54 and 96,192.36 is: 132,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,639 : 236,871.54 = 96,192.36 : x
  2. Step 2: Convert to fraction form
    171,639/236,871.54 = 96,192.36/x
  3. Step 3: Cross multiply
    171,639x = 236,871.54 × 96,192.36
  4. Step 4: Simplify right side
    171,639x = 22,785,232,449.43
  5. Step 5: Solve for x
    x = 22,785,232,449.43/171,639
  6. Step 6: Final answer
    x = 132,750.90

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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.