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Finding the Fourth Proportional to 312,449.73, 468,675.27 and 112,911.04

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Solution

The fourth proportional to 312,449.73, 468,675.27 and 112,911.04 is: 169,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,449.73 : 468,675.27 = 112,911.04 : x
  2. Step 2: Convert to fraction form
    312,449.73/468,675.27 = 112,911.04/x
  3. Step 3: Cross multiply
    312,449.73x = 468,675.27 × 112,911.04
  4. Step 4: Simplify right side
    312,449.73x = 52,918,609,814.60
  5. Step 5: Solve for x
    x = 52,918,609,814.60/312,449.73
  6. Step 6: Final answer
    x = 169,366.80

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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.