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Finding the Fourth Proportional to 360,760.62, 540,722.67 and 135,977.12

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Solution

The fourth proportional to 360,760.62, 540,722.67 and 135,977.12 is: 203,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,760.62 : 540,722.67 = 135,977.12 : x
  2. Step 2: Convert to fraction form
    360,760.62/540,722.67 = 135,977.12/x
  3. Step 3: Cross multiply
    360,760.62x = 540,722.67 × 135,977.12
  4. Step 4: Simplify right side
    360,760.62x = 73,525,911,385.31
  5. Step 5: Solve for x
    x = 73,525,911,385.31/360,760.62
  6. Step 6: Final answer
    x = 203,808.03

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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.