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Finding the Fourth Proportional to 163,664.73, 225,803.03 and 133,398

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Solution

The fourth proportional to 163,664.73, 225,803.03 and 133,398 is: 184,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,664.73 : 225,803.03 = 133,398 : x
  2. Step 2: Convert to fraction form
    163,664.73/225,803.03 = 133,398/x
  3. Step 3: Cross multiply
    163,664.73x = 225,803.03 × 133,398
  4. Step 4: Simplify right side
    163,664.73x = 30,121,671,928.95
  5. Step 5: Solve for x
    x = 30,121,671,928.95/163,664.73
  6. Step 6: Final answer
    x = 184,044.98

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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.