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Finding the Fourth Proportional to 117,296.32, 175,942 and 28,550.32

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Solution

The fourth proportional to 117,296.32, 175,942 and 28,550.32 is: 42,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,296.32 : 175,942 = 28,550.32 : x
  2. Step 2: Convert to fraction form
    117,296.32/175,942 = 28,550.32/x
  3. Step 3: Cross multiply
    117,296.32x = 175,942 × 28,550.32
  4. Step 4: Simplify right side
    117,296.32x = 5,023,200,401.44
  5. Step 5: Solve for x
    x = 5,023,200,401.44/117,296.32
  6. Step 6: Final answer
    x = 42,824.88

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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.