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Finding the Fourth Proportional to 126,062, 173,969.16 and 69,477.02

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Solution

The fourth proportional to 126,062, 173,969.16 and 69,477.02 is: 95,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,062 : 173,969.16 = 69,477.02 : x
  2. Step 2: Convert to fraction form
    126,062/173,969.16 = 69,477.02/x
  3. Step 3: Cross multiply
    126,062x = 173,969.16 × 69,477.02
  4. Step 4: Simplify right side
    126,062x = 12,086,858,808.70
  5. Step 5: Solve for x
    x = 12,086,858,808.70/126,062
  6. Step 6: Final answer
    x = 95,880.27

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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.