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Finding the Fourth Proportional to 146,393.60, 202,021.52 and 79,325.60

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Solution

The fourth proportional to 146,393.60, 202,021.52 and 79,325.60 is: 109,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,393.60 : 202,021.52 = 79,325.60 : x
  2. Step 2: Convert to fraction form
    146,393.60/202,021.52 = 79,325.60/x
  3. Step 3: Cross multiply
    146,393.60x = 202,021.52 × 79,325.60
  4. Step 4: Simplify right side
    146,393.60x = 16,025,478,286.91
  5. Step 5: Solve for x
    x = 16,025,478,286.91/146,393.60
  6. Step 6: Final answer
    x = 109,468.44

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1.5x scale

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.