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Finding the Fourth Proportional to 177,424.80, 266,137.20 and 114,439.20

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Solution

The fourth proportional to 177,424.80, 266,137.20 and 114,439.20 is: 171,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,424.80 : 266,137.20 = 114,439.20 : x
  2. Step 2: Convert to fraction form
    177,424.80/266,137.20 = 114,439.20/x
  3. Step 3: Cross multiply
    177,424.80x = 266,137.20 × 114,439.20
  4. Step 4: Simplify right side
    177,424.80x = 30,456,528,258.24
  5. Step 5: Solve for x
    x = 30,456,528,258.24/177,424.80
  6. Step 6: Final answer
    x = 171,658.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.