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Finding the Fourth Proportional to 146,963.55, 220,543.44 and 53,469.30

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Solution

The fourth proportional to 146,963.55, 220,543.44 and 53,469.30 is: 80,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,963.55 : 220,543.44 = 53,469.30 : x
  2. Step 2: Convert to fraction form
    146,963.55/220,543.44 = 53,469.30/x
  3. Step 3: Cross multiply
    146,963.55x = 220,543.44 × 53,469.30
  4. Step 4: Simplify right side
    146,963.55x = 11,792,303,356.39
  5. Step 5: Solve for x
    x = 11,792,303,356.39/146,963.55
  6. Step 6: Final answer
    x = 80,239.65

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1.5x scale

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.