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Finding the Fourth Proportional to 235,813.50, 353,497.89 and 117,372.87

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Solution

The fourth proportional to 235,813.50, 353,497.89 and 117,372.87 is: 175,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,813.50 : 353,497.89 = 117,372.87 : x
  2. Step 2: Convert to fraction form
    235,813.50/353,497.89 = 117,372.87/x
  3. Step 3: Cross multiply
    235,813.50x = 353,497.89 × 117,372.87
  4. Step 4: Simplify right side
    235,813.50x = 41,491,061,888.24
  5. Step 5: Solve for x
    x = 41,491,061,888.24/235,813.50
  6. Step 6: Final answer
    x = 175,948.63

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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.