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Finding the Fourth Proportional to 146,468.04, 202,125.42 and 79,400.04

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Solution

The fourth proportional to 146,468.04, 202,125.42 and 79,400.04 is: 109,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,468.04 : 202,125.42 = 79,400.04 : x
  2. Step 2: Convert to fraction form
    146,468.04/202,125.42 = 79,400.04/x
  3. Step 3: Cross multiply
    146,468.04x = 202,125.42 × 79,400.04
  4. Step 4: Simplify right side
    146,468.04x = 16,048,766,433.02
  5. Step 5: Solve for x
    x = 16,048,766,433.02/146,468.04
  6. Step 6: Final answer
    x = 109,571.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.