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Finding the Fourth Proportional to 235,813.48, 353,497.88 and 117,372.86

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Solution

The fourth proportional to 235,813.48, 353,497.88 and 117,372.86 is: 175,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,813.48 : 353,497.88 = 117,372.86 : x
  2. Step 2: Convert to fraction form
    235,813.48/353,497.88 = 117,372.86/x
  3. Step 3: Cross multiply
    235,813.48x = 353,497.88 × 117,372.86
  4. Step 4: Simplify right side
    235,813.48x = 41,491,057,179.54
  5. Step 5: Solve for x
    x = 41,491,057,179.54/235,813.48
  6. Step 6: Final answer
    x = 175,948.62

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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.