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Finding the Fourth Proportional to 126,735.66, 174,892.57 and 69,373.58

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Solution

The fourth proportional to 126,735.66, 174,892.57 and 69,373.58 is: 95,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,735.66 : 174,892.57 = 69,373.58 : x
  2. Step 2: Convert to fraction form
    126,735.66/174,892.57 = 69,373.58/x
  3. Step 3: Cross multiply
    126,735.66x = 174,892.57 × 69,373.58
  4. Step 4: Simplify right side
    126,735.66x = 12,132,922,648.40
  5. Step 5: Solve for x
    x = 12,132,922,648.40/126,735.66
  6. Step 6: Final answer
    x = 95,734.09

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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.