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Finding the Fourth Proportional to 284,571.12, 427,102.08 and 158,337.48

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Solution

The fourth proportional to 284,571.12, 427,102.08 and 158,337.48 is: 237,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,571.12 : 427,102.08 = 158,337.48 : x
  2. Step 2: Convert to fraction form
    284,571.12/427,102.08 = 158,337.48/x
  3. Step 3: Cross multiply
    284,571.12x = 427,102.08 × 158,337.48
  4. Step 4: Simplify right side
    284,571.12x = 67,626,267,049.96
  5. Step 5: Solve for x
    x = 67,626,267,049.96/284,571.12
  6. Step 6: Final answer
    x = 237,642.76

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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.