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Finding the Fourth Proportional to 284,410.26, 426,351.81 and 107,034.90

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Solution

The fourth proportional to 284,410.26, 426,351.81 and 107,034.90 is: 160,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,410.26 : 426,351.81 = 107,034.90 : x
  2. Step 2: Convert to fraction form
    284,410.26/426,351.81 = 107,034.90/x
  3. Step 3: Cross multiply
    284,410.26x = 426,351.81 × 107,034.90
  4. Step 4: Simplify right side
    284,410.26x = 45,634,523,348.17
  5. Step 5: Solve for x
    x = 45,634,523,348.17/284,410.26
  6. Step 6: Final answer
    x = 160,453.15

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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.