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Finding the Fourth Proportional to 238,449.60, 357,348.78 and 120,200.94

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Solution

The fourth proportional to 238,449.60, 357,348.78 and 120,200.94 is: 180,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,449.60 : 357,348.78 = 120,200.94 : x
  2. Step 2: Convert to fraction form
    238,449.60/357,348.78 = 120,200.94/x
  3. Step 3: Cross multiply
    238,449.60x = 357,348.78 × 120,200.94
  4. Step 4: Simplify right side
    238,449.60x = 42,953,659,263.85
  5. Step 5: Solve for x
    x = 42,953,659,263.85/238,449.60
  6. Step 6: Final answer
    x = 180,137.27

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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.