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Finding the Fourth Proportional to 283,451.28, 424,885.24 and 125,754

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Solution

The fourth proportional to 283,451.28, 424,885.24 and 125,754 is: 188,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,451.28 : 424,885.24 = 125,754 : x
  2. Step 2: Convert to fraction form
    283,451.28/424,885.24 = 125,754/x
  3. Step 3: Cross multiply
    283,451.28x = 424,885.24 × 125,754
  4. Step 4: Simplify right side
    283,451.28x = 53,431,018,470.96
  5. Step 5: Solve for x
    x = 53,431,018,470.96/283,451.28
  6. Step 6: Final answer
    x = 188,501.60

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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.