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Finding the Fourth Proportional to 169,763.64, 234,276.80 and 93,286.07

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Solution

The fourth proportional to 169,763.64, 234,276.80 and 93,286.07 is: 128,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,763.64 : 234,276.80 = 93,286.07 : x
  2. Step 2: Convert to fraction form
    169,763.64/234,276.80 = 93,286.07/x
  3. Step 3: Cross multiply
    169,763.64x = 234,276.80 × 93,286.07
  4. Step 4: Simplify right side
    169,763.64x = 21,854,761,964.18
  5. Step 5: Solve for x
    x = 21,854,761,964.18/169,763.64
  6. Step 6: Final answer
    x = 128,736.41

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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.