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Finding the Fourth Proportional to 268,010.43, 402,024.53 and 134,818.11

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Solution

The fourth proportional to 268,010.43, 402,024.53 and 134,818.11 is: 202,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,010.43 : 402,024.53 = 134,818.11 : x
  2. Step 2: Convert to fraction form
    268,010.43/402,024.53 = 134,818.11/x
  3. Step 3: Cross multiply
    268,010.43x = 402,024.53 × 134,818.11
  4. Step 4: Simplify right side
    268,010.43x = 54,200,186,634.15
  5. Step 5: Solve for x
    x = 54,200,186,634.15/268,010.43
  6. Step 6: Final answer
    x = 202,231.63

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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.