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Finding the Fourth Proportional to 177,793.32, 245,380.74 and 117,353.64

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Solution

The fourth proportional to 177,793.32, 245,380.74 and 117,353.64 is: 161,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,793.32 : 245,380.74 = 117,353.64 : x
  2. Step 2: Convert to fraction form
    177,793.32/245,380.74 = 117,353.64/x
  3. Step 3: Cross multiply
    177,793.32x = 245,380.74 × 117,353.64
  4. Step 4: Simplify right side
    177,793.32x = 28,796,323,024.89
  5. Step 5: Solve for x
    x = 28,796,323,024.89/177,793.32
  6. Step 6: Final answer
    x = 161,965.16

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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.