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Finding the Fourth Proportional to 76,274.93, 105,246.49 and 50,819.27

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Solution

The fourth proportional to 76,274.93, 105,246.49 and 50,819.27 is: 70,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,274.93 : 105,246.49 = 50,819.27 : x
  2. Step 2: Convert to fraction form
    76,274.93/105,246.49 = 50,819.27/x
  3. Step 3: Cross multiply
    76,274.93x = 105,246.49 × 50,819.27
  4. Step 4: Simplify right side
    76,274.93x = 5,348,549,138.58
  5. Step 5: Solve for x
    x = 5,348,549,138.58/76,274.93
  6. Step 6: Final answer
    x = 70,121.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.