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Finding the Fourth Proportional to 80,750.56, 111,424.74 and 44,935.68

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Solution

The fourth proportional to 80,750.56, 111,424.74 and 44,935.68 is: 62,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,750.56 : 111,424.74 = 44,935.68 : x
  2. Step 2: Convert to fraction form
    80,750.56/111,424.74 = 44,935.68/x
  3. Step 3: Cross multiply
    80,750.56x = 111,424.74 × 44,935.68
  4. Step 4: Simplify right side
    80,750.56x = 5,006,946,460.72
  5. Step 5: Solve for x
    x = 5,006,946,460.72/80,750.56
  6. Step 6: Final answer
    x = 62,005.10

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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.