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Finding the Fourth Proportional to 177,801.80, 266,184.30 and 172,617.80

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Solution

The fourth proportional to 177,801.80, 266,184.30 and 172,617.80 is: 258,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,801.80 : 266,184.30 = 172,617.80 : x
  2. Step 2: Convert to fraction form
    177,801.80/266,184.30 = 172,617.80/x
  3. Step 3: Cross multiply
    177,801.80x = 266,184.30 × 172,617.80
  4. Step 4: Simplify right side
    177,801.80x = 45,948,148,260.54
  5. Step 5: Solve for x
    x = 45,948,148,260.54/177,801.80
  6. Step 6: Final answer
    x = 258,423.41

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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.