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Finding the Fourth Proportional to 101,391.32, 152,106.96 and 34,815.26

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Solution

The fourth proportional to 101,391.32, 152,106.96 and 34,815.26 is: 52,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,391.32 : 152,106.96 = 34,815.26 : x
  2. Step 2: Convert to fraction form
    101,391.32/152,106.96 = 34,815.26/x
  3. Step 3: Cross multiply
    101,391.32x = 152,106.96 × 34,815.26
  4. Step 4: Simplify right side
    101,391.32x = 5,295,643,360.21
  5. Step 5: Solve for x
    x = 5,295,643,360.21/101,391.32
  6. Step 6: Final answer
    x = 52,229.75

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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.