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Finding the Fourth Proportional to 177,449.20, 266,173.80 and 52,790.20

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Solution

The fourth proportional to 177,449.20, 266,173.80 and 52,790.20 is: 79,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,449.20 : 266,173.80 = 52,790.20 : x
  2. Step 2: Convert to fraction form
    177,449.20/266,173.80 = 52,790.20/x
  3. Step 3: Cross multiply
    177,449.20x = 266,173.80 × 52,790.20
  4. Step 4: Simplify right side
    177,449.20x = 14,051,368,136.76
  5. Step 5: Solve for x
    x = 14,051,368,136.76/177,449.20
  6. Step 6: Final answer
    x = 79,185.30

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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.