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Finding the Fourth Proportional to 177,711.63, 266,609.56 and 53,055.87

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Solution

The fourth proportional to 177,711.63, 266,609.56 and 53,055.87 is: 79,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,711.63 : 266,609.56 = 53,055.87 : x
  2. Step 2: Convert to fraction form
    177,711.63/266,609.56 = 53,055.87/x
  3. Step 3: Cross multiply
    177,711.63x = 266,609.56 × 53,055.87
  4. Step 4: Simplify right side
    177,711.63x = 14,145,202,156.12
  5. Step 5: Solve for x
    x = 14,145,202,156.12/177,711.63
  6. Step 6: Final answer
    x = 79,596.38

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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.