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Finding the Fourth Proportional to 265,171.78, 365,682.65 and 178,153.48

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Solution

The fourth proportional to 265,171.78, 365,682.65 and 178,153.48 is: 245,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,171.78 : 365,682.65 = 178,153.48 : x
  2. Step 2: Convert to fraction form
    265,171.78/365,682.65 = 178,153.48/x
  3. Step 3: Cross multiply
    265,171.78x = 365,682.65 × 178,153.48
  4. Step 4: Simplify right side
    265,171.78x = 65,147,635,184.61
  5. Step 5: Solve for x
    x = 65,147,635,184.61/265,171.78
  6. Step 6: Final answer
    x = 245,680.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.