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Finding the Fourth Proportional to 360,494.13, 540,735.25 and 107,775.21

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Solution

The fourth proportional to 360,494.13, 540,735.25 and 107,775.21 is: 161,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,494.13 : 540,735.25 = 107,775.21 : x
  2. Step 2: Convert to fraction form
    360,494.13/540,735.25 = 107,775.21/x
  3. Step 3: Cross multiply
    360,494.13x = 540,735.25 × 107,775.21
  4. Step 4: Simplify right side
    360,494.13x = 58,277,855,123.15
  5. Step 5: Solve for x
    x = 58,277,855,123.15/360,494.13
  6. Step 6: Final answer
    x = 161,661.04

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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.