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Finding the Fourth Proportional to 101,671.58, 152,601.00 and 51,787.48

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Solution

The fourth proportional to 101,671.58, 152,601.00 and 51,787.48 is: 77,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,671.58 : 152,601.00 = 51,787.48 : x
  2. Step 2: Convert to fraction form
    101,671.58/152,601.00 = 51,787.48/x
  3. Step 3: Cross multiply
    101,671.58x = 152,601.00 × 51,787.48
  4. Step 4: Simplify right side
    101,671.58x = 7,902,820,735.19
  5. Step 5: Solve for x
    x = 7,902,820,735.19/101,671.58
  6. Step 6: Final answer
    x = 77,728.91

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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.