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Finding the Fourth Proportional to 169,713.67, 234,193.60 and 93,217.88

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Solution

The fourth proportional to 169,713.67, 234,193.60 and 93,217.88 is: 128,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,713.67 : 234,193.60 = 93,217.88 : x
  2. Step 2: Convert to fraction form
    169,713.67/234,193.60 = 93,217.88/x
  3. Step 3: Cross multiply
    169,713.67x = 234,193.60 × 93,217.88
  4. Step 4: Simplify right side
    169,713.67x = 21,831,030,901.57
  5. Step 5: Solve for x
    x = 21,831,030,901.57/169,713.67
  6. Step 6: Final answer
    x = 128,634.49

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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.