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Finding the Fourth Proportional to 177,511.30, 265,748.55 and 172,327.30

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Solution

The fourth proportional to 177,511.30, 265,748.55 and 172,327.30 is: 257,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,511.30 : 265,748.55 = 172,327.30 : x
  2. Step 2: Convert to fraction form
    177,511.30/265,748.55 = 172,327.30/x
  3. Step 3: Cross multiply
    177,511.30x = 265,748.55 × 172,327.30
  4. Step 4: Simplify right side
    177,511.30x = 45,795,730,100.42
  5. Step 5: Solve for x
    x = 45,795,730,100.42/177,511.30
  6. Step 6: Final answer
    x = 257,987.69

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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.