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Finding the Fourth Proportional to 126,525, 174,604.71 and 69,936.38

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Solution

The fourth proportional to 126,525, 174,604.71 and 69,936.38 is: 96,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,525 : 174,604.71 = 69,936.38 : x
  2. Step 2: Convert to fraction form
    126,525/174,604.71 = 69,936.38/x
  3. Step 3: Cross multiply
    126,525x = 174,604.71 × 69,936.38
  4. Step 4: Simplify right side
    126,525x = 12,211,221,348.35
  5. Step 5: Solve for x
    x = 12,211,221,348.35/126,525
  6. Step 6: Final answer
    x = 96,512.32

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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.