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Finding the Fourth Proportional to 323,050.20, 484,609.32 and 112,689.96

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Solution

The fourth proportional to 323,050.20, 484,609.32 and 112,689.96 is: 169,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,050.20 : 484,609.32 = 112,689.96 : x
  2. Step 2: Convert to fraction form
    323,050.20/484,609.32 = 112,689.96/x
  3. Step 3: Cross multiply
    323,050.20x = 484,609.32 × 112,689.96
  4. Step 4: Simplify right side
    323,050.20x = 54,610,604,886.43
  5. Step 5: Solve for x
    x = 54,610,604,886.43/323,050.20
  6. Step 6: Final answer
    x = 169,046.81

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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.