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Finding the Fourth Proportional to 179,645.80, 269,468.70 and 53,290.60

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Solution

The fourth proportional to 179,645.80, 269,468.70 and 53,290.60 is: 79,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,645.80 : 269,468.70 = 53,290.60 : x
  2. Step 2: Convert to fraction form
    179,645.80/269,468.70 = 53,290.60/x
  3. Step 3: Cross multiply
    179,645.80x = 269,468.70 × 53,290.60
  4. Step 4: Simplify right side
    179,645.80x = 14,360,148,704.22
  5. Step 5: Solve for x
    x = 14,360,148,704.22/179,645.80
  6. Step 6: Final answer
    x = 79,935.90

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Similar ratio
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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.