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Finding the Fourth Proportional to 441,043.82, 661,486.67 and 116,834.05

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Solution

The fourth proportional to 441,043.82, 661,486.67 and 116,834.05 is: 175,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,043.82 : 661,486.67 = 116,834.05 : x
  2. Step 2: Convert to fraction form
    441,043.82/661,486.67 = 116,834.05/x
  3. Step 3: Cross multiply
    441,043.82x = 661,486.67 × 116,834.05
  4. Step 4: Simplify right side
    441,043.82x = 77,284,166,677.11
  5. Step 5: Solve for x
    x = 77,284,166,677.11/441,043.82
  6. Step 6: Final answer
    x = 175,230.13

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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.