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Finding the Fourth Proportional to 247,761, 341,916.42 and 134,583.72

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Solution

The fourth proportional to 247,761, 341,916.42 and 134,583.72 is: 185,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,761 : 341,916.42 = 134,583.72 : x
  2. Step 2: Convert to fraction form
    247,761/341,916.42 = 134,583.72/x
  3. Step 3: Cross multiply
    247,761x = 341,916.42 × 134,583.72
  4. Step 4: Simplify right side
    247,761x = 46,016,383,732.68
  5. Step 5: Solve for x
    x = 46,016,383,732.68/247,761
  6. Step 6: Final answer
    x = 185,728.92

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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.