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Finding the Fourth Proportional to 238,495.59, 357,520.97 and 80,613.63

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Solution

The fourth proportional to 238,495.59, 357,520.97 and 80,613.63 is: 120,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,495.59 : 357,520.97 = 80,613.63 : x
  2. Step 2: Convert to fraction form
    238,495.59/357,520.97 = 80,613.63/x
  3. Step 3: Cross multiply
    238,495.59x = 357,520.97 × 80,613.63
  4. Step 4: Simplify right side
    238,495.59x = 28,821,063,394.36
  5. Step 5: Solve for x
    x = 28,821,063,394.36/238,495.59
  6. Step 6: Final answer
    x = 120,845.27

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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.