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Finding the Fourth Proportional to 283,604.04, 425,479.86 and 106,124.76

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Solution

The fourth proportional to 283,604.04, 425,479.86 and 106,124.76 is: 159,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,604.04 : 425,479.86 = 106,124.76 : x
  2. Step 2: Convert to fraction form
    283,604.04/425,479.86 = 106,124.76/x
  3. Step 3: Cross multiply
    283,604.04x = 425,479.86 × 106,124.76
  4. Step 4: Simplify right side
    283,604.04x = 45,153,948,027.33
  5. Step 5: Solve for x
    x = 45,153,948,027.33/283,604.04
  6. Step 6: Final answer
    x = 159,214.76

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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.