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Finding the Fourth Proportional to 175,028.80, 262,105.80 and 115,542.40

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Solution

The fourth proportional to 175,028.80, 262,105.80 and 115,542.40 is: 173,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,028.80 : 262,105.80 = 115,542.40 : x
  2. Step 2: Convert to fraction form
    175,028.80/262,105.80 = 115,542.40/x
  3. Step 3: Cross multiply
    175,028.80x = 262,105.80 × 115,542.40
  4. Step 4: Simplify right side
    175,028.80x = 30,284,333,185.92
  5. Step 5: Solve for x
    x = 30,284,333,185.92/175,028.80
  6. Step 6: Final answer
    x = 173,024.86

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1.5x scale

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.