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Finding the Fourth Proportional to 98,264.73, 135,604.64 and 55,823.27

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Solution

The fourth proportional to 98,264.73, 135,604.64 and 55,823.27 is: 77,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,264.73 : 135,604.64 = 55,823.27 : x
  2. Step 2: Convert to fraction form
    98,264.73/135,604.64 = 55,823.27/x
  3. Step 3: Cross multiply
    98,264.73x = 135,604.64 × 55,823.27
  4. Step 4: Simplify right side
    98,264.73x = 7,569,893,474.83
  5. Step 5: Solve for x
    x = 7,569,893,474.83/98,264.73
  6. Step 6: Final answer
    x = 77,035.71

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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.