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Finding the Fourth Proportional to 126,496.27, 174,558 and 69,904

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Solution

The fourth proportional to 126,496.27, 174,558 and 69,904 is: 96,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,496.27 : 174,558 = 69,904 : x
  2. Step 2: Convert to fraction form
    126,496.27/174,558 = 69,904/x
  3. Step 3: Cross multiply
    126,496.27x = 174,558 × 69,904
  4. Step 4: Simplify right side
    126,496.27x = 12,202,302,432
  5. Step 5: Solve for x
    x = 12,202,302,432/126,496.27
  6. Step 6: Final answer
    x = 96,463.73

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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.