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Finding the Fourth Proportional to 175,261.20, 262,834.20 and 64,438.80

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Solution

The fourth proportional to 175,261.20, 262,834.20 and 64,438.80 is: 96,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,261.20 : 262,834.20 = 64,438.80 : x
  2. Step 2: Convert to fraction form
    175,261.20/262,834.20 = 64,438.80/x
  3. Step 3: Cross multiply
    175,261.20x = 262,834.20 × 64,438.80
  4. Step 4: Simplify right side
    175,261.20x = 16,936,720,446.96
  5. Step 5: Solve for x
    x = 16,936,720,446.96/175,261.20
  6. Step 6: Final answer
    x = 96,637.02

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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.