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Finding the Fourth Proportional to 101,644.18, 151,883.82 and 77,495.66

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Solution

The fourth proportional to 101,644.18, 151,883.82 and 77,495.66 is: 115,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,644.18 : 151,883.82 = 77,495.66 : x
  2. Step 2: Convert to fraction form
    101,644.18/151,883.82 = 77,495.66/x
  3. Step 3: Cross multiply
    101,644.18x = 151,883.82 × 77,495.66
  4. Step 4: Simplify right side
    101,644.18x = 11,770,336,874.22
  5. Step 5: Solve for x
    x = 11,770,336,874.22/101,644.18
  6. Step 6: Final answer
    x = 115,799.42

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1.5x scale

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.