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Finding the Fourth Proportional to 146,647.73, 202,373.86 and 79,579.73

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Solution

The fourth proportional to 146,647.73, 202,373.86 and 79,579.73 is: 109,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,647.73 : 202,373.86 = 79,579.73 : x
  2. Step 2: Convert to fraction form
    146,647.73/202,373.86 = 79,579.73/x
  3. Step 3: Cross multiply
    146,647.73x = 202,373.86 × 79,579.73
  4. Step 4: Simplify right side
    146,647.73x = 16,104,857,137.86
  5. Step 5: Solve for x
    x = 16,104,857,137.86/146,647.73
  6. Step 6: Final answer
    x = 109,820.02

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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.