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Finding the Fourth Proportional to 283,785.52, 425,665.97 and 70,548.97

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Solution

The fourth proportional to 283,785.52, 425,665.97 and 70,548.97 is: 105,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,785.52 : 425,665.97 = 70,548.97 : x
  2. Step 2: Convert to fraction form
    283,785.52/425,665.97 = 70,548.97/x
  3. Step 3: Cross multiply
    283,785.52x = 425,665.97 × 70,548.97
  4. Step 4: Simplify right side
    283,785.52x = 30,030,294,330.64
  5. Step 5: Solve for x
    x = 30,030,294,330.64/283,785.52
  6. Step 6: Final answer
    x = 105,820.39

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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.