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Finding the Fourth Proportional to 174,629.40, 262,073.70 and 69,523.80

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Solution

The fourth proportional to 174,629.40, 262,073.70 and 69,523.80 is: 104,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,629.40 : 262,073.70 = 69,523.80 : x
  2. Step 2: Convert to fraction form
    174,629.40/262,073.70 = 69,523.80/x
  3. Step 3: Cross multiply
    174,629.40x = 262,073.70 × 69,523.80
  4. Step 4: Simplify right side
    174,629.40x = 18,220,359,504.06
  5. Step 5: Solve for x
    x = 18,220,359,504.06/174,629.40
  6. Step 6: Final answer
    x = 104,337.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.