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Finding the Fourth Proportional to 177,840.41, 266,662.17 and 72,733.19

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Solution

The fourth proportional to 177,840.41, 266,662.17 and 72,733.19 is: 109,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,840.41 : 266,662.17 = 72,733.19 : x
  2. Step 2: Convert to fraction form
    177,840.41/266,662.17 = 72,733.19/x
  3. Step 3: Cross multiply
    177,840.41x = 266,662.17 × 72,733.19
  4. Step 4: Simplify right side
    177,840.41x = 19,395,188,943.11
  5. Step 5: Solve for x
    x = 19,395,188,943.11/177,840.41
  6. Step 6: Final answer
    x = 109,059.52

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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.