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Finding the Fourth Proportional to 238,057.94, 356,613.94 and 131,176.80

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Solution

The fourth proportional to 238,057.94, 356,613.94 and 131,176.80 is: 196,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,057.94 : 356,613.94 = 131,176.80 : x
  2. Step 2: Convert to fraction form
    238,057.94/356,613.94 = 131,176.80/x
  3. Step 3: Cross multiply
    238,057.94x = 356,613.94 × 131,176.80
  4. Step 4: Simplify right side
    238,057.94x = 46,779,473,701.52
  5. Step 5: Solve for x
    x = 46,779,473,701.52/238,057.94
  6. Step 6: Final answer
    x = 196,504.57

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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.