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Finding the Fourth Proportional to 101,958.36, 152,947.26 and 39,633.72

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Solution

The fourth proportional to 101,958.36, 152,947.26 and 39,633.72 is: 59,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,958.36 : 152,947.26 = 39,633.72 : x
  2. Step 2: Convert to fraction form
    101,958.36/152,947.26 = 39,633.72/x
  3. Step 3: Cross multiply
    101,958.36x = 152,947.26 × 39,633.72
  4. Step 4: Simplify right side
    101,958.36x = 6,061,868,877.61
  5. Step 5: Solve for x
    x = 6,061,868,877.61/101,958.36
  6. Step 6: Final answer
    x = 59,454.36

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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.