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Finding the Fourth Proportional to 99,076.44, 148,360.89 and 54,653.82

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Solution

The fourth proportional to 99,076.44, 148,360.89 and 54,653.82 is: 81,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.44 : 148,360.89 = 54,653.82 : x
  2. Step 2: Convert to fraction form
    99,076.44/148,360.89 = 54,653.82/x
  3. Step 3: Cross multiply
    99,076.44x = 148,360.89 × 54,653.82
  4. Step 4: Simplify right side
    99,076.44x = 8,108,489,377.10
  5. Step 5: Solve for x
    x = 8,108,489,377.10/99,076.44
  6. Step 6: Final answer
    x = 81,840.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.