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Finding the Fourth Proportional to 178,892.52, 246,768.88 and 111,707.88

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Solution

The fourth proportional to 178,892.52, 246,768.88 and 111,707.88 is: 154,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,892.52 : 246,768.88 = 111,707.88 : x
  2. Step 2: Convert to fraction form
    178,892.52/246,768.88 = 111,707.88/x
  3. Step 3: Cross multiply
    178,892.52x = 246,768.88 × 111,707.88
  4. Step 4: Simplify right side
    178,892.52x = 27,566,028,434.77
  5. Step 5: Solve for x
    x = 27,566,028,434.77/178,892.52
  6. Step 6: Final answer
    x = 154,092.68

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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.