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Finding the Fourth Proportional to 175,004.20, 262,635.90 and 115,820.20

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Solution

The fourth proportional to 175,004.20, 262,635.90 and 115,820.20 is: 173,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,004.20 : 262,635.90 = 115,820.20 : x
  2. Step 2: Convert to fraction form
    175,004.20/262,635.90 = 115,820.20/x
  3. Step 3: Cross multiply
    175,004.20x = 262,635.90 × 115,820.20
  4. Step 4: Simplify right side
    175,004.20x = 30,418,542,465.18
  5. Step 5: Solve for x
    x = 30,418,542,465.18/175,004.20
  6. Step 6: Final answer
    x = 173,816.07

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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.