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Finding the Fourth Proportional to 260,830.60, 391,245.90 and 94,558.60

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Solution

The fourth proportional to 260,830.60, 391,245.90 and 94,558.60 is: 141,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,830.60 : 391,245.90 = 94,558.60 : x
  2. Step 2: Convert to fraction form
    260,830.60/391,245.90 = 94,558.60/x
  3. Step 3: Cross multiply
    260,830.60x = 391,245.90 × 94,558.60
  4. Step 4: Simplify right side
    260,830.60x = 36,995,664,559.74
  5. Step 5: Solve for x
    x = 36,995,664,559.74/260,830.60
  6. Step 6: Final answer
    x = 141,837.90

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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.