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Finding the Fourth Proportional to 176,562.72, 243,694.56 and 108,637.44

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Solution

The fourth proportional to 176,562.72, 243,694.56 and 108,637.44 is: 149,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,562.72 : 243,694.56 = 108,637.44 : x
  2. Step 2: Convert to fraction form
    176,562.72/243,694.56 = 108,637.44/x
  3. Step 3: Cross multiply
    176,562.72x = 243,694.56 × 108,637.44
  4. Step 4: Simplify right side
    176,562.72x = 26,474,353,140.33
  5. Step 5: Solve for x
    x = 26,474,353,140.33/176,562.72
  6. Step 6: Final answer
    x = 149,943.05

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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.