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Finding the Fourth Proportional to 283,903.31, 425,854.97 and 73,541.25

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Solution

The fourth proportional to 283,903.31, 425,854.97 and 73,541.25 is: 110,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,903.31 : 425,854.97 = 73,541.25 : x
  2. Step 2: Convert to fraction form
    283,903.31/425,854.97 = 73,541.25/x
  3. Step 3: Cross multiply
    283,903.31x = 425,854.97 × 73,541.25
  4. Step 4: Simplify right side
    283,903.31x = 31,317,906,720.59
  5. Step 5: Solve for x
    x = 31,317,906,720.59/283,903.31
  6. Step 6: Final answer
    x = 110,311.88

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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.