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Finding the Fourth Proportional to 177,388.80, 266,083.20 and 164,558.40

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Solution

The fourth proportional to 177,388.80, 266,083.20 and 164,558.40 is: 246,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,388.80 : 266,083.20 = 164,558.40 : x
  2. Step 2: Convert to fraction form
    177,388.80/266,083.20 = 164,558.40/x
  3. Step 3: Cross multiply
    177,388.80x = 266,083.20 × 164,558.40
  4. Step 4: Simplify right side
    177,388.80x = 43,786,225,658.88
  5. Step 5: Solve for x
    x = 43,786,225,658.88/177,388.80
  6. Step 6: Final answer
    x = 246,837.60

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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.