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Finding the Fourth Proportional to 235,333.82, 353,150.85 and 85,559.74

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Solution

The fourth proportional to 235,333.82, 353,150.85 and 85,559.74 is: 128,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,333.82 : 353,150.85 = 85,559.74 : x
  2. Step 2: Convert to fraction form
    235,333.82/353,150.85 = 85,559.74/x
  3. Step 3: Cross multiply
    235,333.82x = 353,150.85 × 85,559.74
  4. Step 4: Simplify right side
    235,333.82x = 30,215,494,344.75
  5. Step 5: Solve for x
    x = 30,215,494,344.75/235,333.82
  6. Step 6: Final answer
    x = 128,394.19

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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.