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Finding the Fourth Proportional to 89,929.44, 134,722.44 and 50,366.88

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Solution

The fourth proportional to 89,929.44, 134,722.44 and 50,366.88 is: 75,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,929.44 : 134,722.44 = 50,366.88 : x
  2. Step 2: Convert to fraction form
    89,929.44/134,722.44 = 50,366.88/x
  3. Step 3: Cross multiply
    89,929.44x = 134,722.44 × 50,366.88
  4. Step 4: Simplify right side
    89,929.44x = 6,785,548,968.79
  5. Step 5: Solve for x
    x = 6,785,548,968.79/89,929.44
  6. Step 6: Final answer
    x = 75,454.14

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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.