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Finding the Fourth Proportional to 283,854.34, 425,863.69 and 84,179.53

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Solution

The fourth proportional to 283,854.34, 425,863.69 and 84,179.53 is: 126,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,854.34 : 425,863.69 = 84,179.53 : x
  2. Step 2: Convert to fraction form
    283,854.34/425,863.69 = 84,179.53/x
  3. Step 3: Cross multiply
    283,854.34x = 425,863.69 × 84,179.53
  4. Step 4: Simplify right side
    283,854.34x = 35,849,005,268.27
  5. Step 5: Solve for x
    x = 35,849,005,268.27/283,854.34
  6. Step 6: Final answer
    x = 126,293.67

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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.