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Finding the Fourth Proportional to 362,448.33, 543,757.56 and 109,730.76

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Solution

The fourth proportional to 362,448.33, 543,757.56 and 109,730.76 is: 164,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,448.33 : 543,757.56 = 109,730.76 : x
  2. Step 2: Convert to fraction form
    362,448.33/543,757.56 = 109,730.76/x
  3. Step 3: Cross multiply
    362,448.33x = 543,757.56 × 109,730.76
  4. Step 4: Simplify right side
    362,448.33x = 59,666,930,314.55
  5. Step 5: Solve for x
    x = 59,666,930,314.55/362,448.33
  6. Step 6: Final answer
    x = 164,621.89

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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.