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Finding the Fourth Proportional to 98,874.57, 136,446.22 and 53,551.52

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Solution

The fourth proportional to 98,874.57, 136,446.22 and 53,551.52 is: 73,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,874.57 : 136,446.22 = 53,551.52 : x
  2. Step 2: Convert to fraction form
    98,874.57/136,446.22 = 53,551.52/x
  3. Step 3: Cross multiply
    98,874.57x = 136,446.22 × 53,551.52
  4. Step 4: Simplify right side
    98,874.57x = 7,306,902,479.25
  5. Step 5: Solve for x
    x = 7,306,902,479.25/98,874.57
  6. Step 6: Final answer
    x = 73,900.73

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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.