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Finding the Fourth Proportional to 177,636.50, 266,644.44 and 76,484.61

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Solution

The fourth proportional to 177,636.50, 266,644.44 and 76,484.61 is: 114,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,636.50 : 266,644.44 = 76,484.61 : x
  2. Step 2: Convert to fraction form
    177,636.50/266,644.44 = 76,484.61/x
  3. Step 3: Cross multiply
    177,636.50x = 266,644.44 × 76,484.61
  4. Step 4: Simplify right side
    177,636.50x = 20,394,196,002.07
  5. Step 5: Solve for x
    x = 20,394,196,002.07/177,636.50
  6. Step 6: Final answer
    x = 114,808.59

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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.