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Finding the Fourth Proportional to 177,155.20, 265,732.80 and 165,404.80

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Solution

The fourth proportional to 177,155.20, 265,732.80 and 165,404.80 is: 248,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,155.20 : 265,732.80 = 165,404.80 : x
  2. Step 2: Convert to fraction form
    177,155.20/265,732.80 = 165,404.80/x
  3. Step 3: Cross multiply
    177,155.20x = 265,732.80 × 165,404.80
  4. Step 4: Simplify right side
    177,155.20x = 43,953,480,637.44
  5. Step 5: Solve for x
    x = 43,953,480,637.44/177,155.20
  6. Step 6: Final answer
    x = 248,107.20

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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.