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Finding the Fourth Proportional to 169,742.84, 234,245.21 and 93,266.82

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Solution

The fourth proportional to 169,742.84, 234,245.21 and 93,266.82 is: 128,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,742.84 : 234,245.21 = 93,266.82 : x
  2. Step 2: Convert to fraction form
    169,742.84/234,245.21 = 93,266.82/x
  3. Step 3: Cross multiply
    169,742.84x = 234,245.21 × 93,266.82
  4. Step 4: Simplify right side
    169,742.84x = 21,847,305,370.60
  5. Step 5: Solve for x
    x = 21,847,305,370.60/169,742.84
  6. Step 6: Final answer
    x = 128,708.26

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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.