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Finding the Fourth Proportional to 177,234.60, 265,803.30 and 72,064.20

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Solution

The fourth proportional to 177,234.60, 265,803.30 and 72,064.20 is: 108,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,234.60 : 265,803.30 = 72,064.20 : x
  2. Step 2: Convert to fraction form
    177,234.60/265,803.30 = 72,064.20/x
  3. Step 3: Cross multiply
    177,234.60x = 265,803.30 × 72,064.20
  4. Step 4: Simplify right side
    177,234.60x = 19,154,902,171.86
  5. Step 5: Solve for x
    x = 19,154,902,171.86/177,234.60
  6. Step 6: Final answer
    x = 108,076.54

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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.