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Finding the Fourth Proportional to 235,940.72, 353,827.69 and 76,010.20

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Solution

The fourth proportional to 235,940.72, 353,827.69 and 76,010.20 is: 113,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,940.72 : 353,827.69 = 76,010.20 : x
  2. Step 2: Convert to fraction form
    235,940.72/353,827.69 = 76,010.20/x
  3. Step 3: Cross multiply
    235,940.72x = 353,827.69 × 76,010.20
  4. Step 4: Simplify right side
    235,940.72x = 26,894,512,835.40
  5. Step 5: Solve for x
    x = 26,894,512,835.40/235,940.72
  6. Step 6: Final answer
    x = 113,988.43

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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.