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Finding the Fourth Proportional to 169,530.68, 233,961.54 and 94,080.80

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Solution

The fourth proportional to 169,530.68, 233,961.54 and 94,080.80 is: 129,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,530.68 : 233,961.54 = 94,080.80 : x
  2. Step 2: Convert to fraction form
    169,530.68/233,961.54 = 94,080.80/x
  3. Step 3: Cross multiply
    169,530.68x = 233,961.54 × 94,080.80
  4. Step 4: Simplify right side
    169,530.68x = 22,011,288,852.43
  5. Step 5: Solve for x
    x = 22,011,288,852.43/169,530.68
  6. Step 6: Final answer
    x = 129,836.61

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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.