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Finding the Fourth Proportional to 99,755.44, 148,546.81 and 98,651

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Solution

The fourth proportional to 99,755.44, 148,546.81 and 98,651 is: 146,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,755.44 : 148,546.81 = 98,651 : x
  2. Step 2: Convert to fraction form
    99,755.44/148,546.81 = 98,651/x
  3. Step 3: Cross multiply
    99,755.44x = 148,546.81 × 98,651
  4. Step 4: Simplify right side
    99,755.44x = 14,654,291,353.31
  5. Step 5: Solve for x
    x = 14,654,291,353.31/99,755.44
  6. Step 6: Final answer
    x = 146,902.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.