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Finding the Fourth Proportional to 101,594.44, 152,420.82 and 66,490.66

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Solution

The fourth proportional to 101,594.44, 152,420.82 and 66,490.66 is: 99,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,594.44 : 152,420.82 = 66,490.66 : x
  2. Step 2: Convert to fraction form
    101,594.44/152,420.82 = 66,490.66/x
  3. Step 3: Cross multiply
    101,594.44x = 152,420.82 × 66,490.66
  4. Step 4: Simplify right side
    101,594.44x = 10,134,560,919.54
  5. Step 5: Solve for x
    x = 10,134,560,919.54/101,594.44
  6. Step 6: Final answer
    x = 99,755.07

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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.