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Finding the Fourth Proportional to 177,892.94, 245,350.97 and 134,430.64

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Solution

The fourth proportional to 177,892.94, 245,350.97 and 134,430.64 is: 185,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,892.94 : 245,350.97 = 134,430.64 : x
  2. Step 2: Convert to fraction form
    177,892.94/245,350.97 = 134,430.64/x
  3. Step 3: Cross multiply
    177,892.94x = 245,350.97 × 134,430.64
  4. Step 4: Simplify right side
    177,892.94x = 32,982,687,921.72
  5. Step 5: Solve for x
    x = 32,982,687,921.72/177,892.94
  6. Step 6: Final answer
    x = 185,407.51

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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.