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Finding the Fourth Proportional to 146,628.60, 202,349.82 and 79,560.60

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Solution

The fourth proportional to 146,628.60, 202,349.82 and 79,560.60 is: 109,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,628.60 : 202,349.82 = 79,560.60 : x
  2. Step 2: Convert to fraction form
    146,628.60/202,349.82 = 79,560.60/x
  3. Step 3: Cross multiply
    146,628.60x = 202,349.82 × 79,560.60
  4. Step 4: Simplify right side
    146,628.60x = 16,099,073,089.09
  5. Step 5: Solve for x
    x = 16,099,073,089.09/146,628.60
  6. Step 6: Final answer
    x = 109,794.90

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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.