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Finding the Fourth Proportional to 163,753.03, 225,981.26 and 92,133.19

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Solution

The fourth proportional to 163,753.03, 225,981.26 and 92,133.19 is: 127,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,753.03 : 225,981.26 = 92,133.19 : x
  2. Step 2: Convert to fraction form
    163,753.03/225,981.26 = 92,133.19/x
  3. Step 3: Cross multiply
    163,753.03x = 225,981.26 × 92,133.19
  4. Step 4: Simplify right side
    163,753.03x = 20,820,374,364.02
  5. Step 5: Solve for x
    x = 20,820,374,364.02/163,753.03
  6. Step 6: Final answer
    x = 127,144.97

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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.