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Finding the Fourth Proportional to 179,601.50, 269,403.60 and 79,734.80

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Solution

The fourth proportional to 179,601.50, 269,403.60 and 79,734.80 is: 119,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,601.50 : 269,403.60 = 79,734.80 : x
  2. Step 2: Convert to fraction form
    179,601.50/269,403.60 = 79,734.80/x
  3. Step 3: Cross multiply
    179,601.50x = 269,403.60 × 79,734.80
  4. Step 4: Simplify right side
    179,601.50x = 21,480,842,165.28
  5. Step 5: Solve for x
    x = 21,480,842,165.28/179,601.50
  6. Step 6: Final answer
    x = 119,602.80

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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.