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Finding the Fourth Proportional to 101,118.17, 151,656.41 and 47,787.48

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Solution

The fourth proportional to 101,118.17, 151,656.41 and 47,787.48 is: 71,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,118.17 : 151,656.41 = 47,787.48 : x
  2. Step 2: Convert to fraction form
    101,118.17/151,656.41 = 47,787.48/x
  3. Step 3: Cross multiply
    101,118.17x = 151,656.41 × 47,787.48
  4. Step 4: Simplify right side
    101,118.17x = 7,247,277,779.22
  5. Step 5: Solve for x
    x = 7,247,277,779.22/101,118.17
  6. Step 6: Final answer
    x = 71,671.37

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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.