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Finding the Fourth Proportional to 441,986.68, 662,979.54 and 109,562.68

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Solution

The fourth proportional to 441,986.68, 662,979.54 and 109,562.68 is: 164,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,986.68 : 662,979.54 = 109,562.68 : x
  2. Step 2: Convert to fraction form
    441,986.68/662,979.54 = 109,562.68/x
  3. Step 3: Cross multiply
    441,986.68x = 662,979.54 × 109,562.68
  4. Step 4: Simplify right side
    441,986.68x = 72,637,815,187.57
  5. Step 5: Solve for x
    x = 72,637,815,187.57/441,986.68
  6. Step 6: Final answer
    x = 164,343.90

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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.