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Finding the Fourth Proportional to 179,519.80, 269,279.70 and 53,164.60

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Solution

The fourth proportional to 179,519.80, 269,279.70 and 53,164.60 is: 79,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,519.80 : 269,279.70 = 53,164.60 : x
  2. Step 2: Convert to fraction form
    179,519.80/269,279.70 = 53,164.60/x
  3. Step 3: Cross multiply
    179,519.80x = 269,279.70 × 53,164.60
  4. Step 4: Simplify right side
    179,519.80x = 14,316,147,538.62
  5. Step 5: Solve for x
    x = 14,316,147,538.62/179,519.80
  6. Step 6: Final answer
    x = 79,746.90

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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.