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Finding the Fourth Proportional to 169,659.84, 234,141.12 and 94,208.88

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Solution

The fourth proportional to 169,659.84, 234,141.12 and 94,208.88 is: 130,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,659.84 : 234,141.12 = 94,208.88 : x
  2. Step 2: Convert to fraction form
    169,659.84/234,141.12 = 94,208.88/x
  3. Step 3: Cross multiply
    169,659.84x = 234,141.12 × 94,208.88
  4. Step 4: Simplify right side
    169,659.84x = 22,058,172,677.15
  5. Step 5: Solve for x
    x = 22,058,172,677.15/169,659.84
  6. Step 6: Final answer
    x = 130,014.11

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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.